Merge branch '1111' into 'master'

1111

See merge request !1

.gitignore

+.gradle
+/build/
+!gradle/wrapper/gradle-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
\ No newline at end of file

build.gradle

+buildscript {
+	ext {
+		springBootVersion = '2.0.6.RELEASE'
+	}
+	repositories {
+		mavenCentral()
+	}
+	dependencies {
+		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
+	}
+}
+
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
+
+group = 'com.example'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = 1.8
+
+repositories {
+	mavenCentral()
+}
+
+
+dependencies {
+	implementation('org.springframework.boot:spring-boot-starter-web')
+	testImplementation('org.springframework.boot:spring-boot-starter-test')
+
+
+	compile("com.google.guava:guava:18.0")
+
+}

gradle/wrapper/gradle-wrapper.properties

+#Tue Feb 06 12:27:20 CET 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip

gradlew

+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save ( ) {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

+rootProject.name = 'demo'

src/main/java/com/example/demo/DemoApplication.java

+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoApplication.class, args);
+	}
+}

src/main/java/com/example/demo/threadDesignMode/Observable.java

+package com.example.demo.threadDesignMode;
+
+public interface Observable {
+}

src/main/java/com/example/demo/threadDesignMode/ObservableThread.java

+/**
+ * @author liukai
+ * @Description: TODO
+ * @date 2018/10/293:03 PM
+ */
+public class ObservableThread {
+}

src/main/java/com/example/demo/threadDesignMode/Task.java

+package com.example.demo.threadDesignMode;
+
+public interface Task {
+}

src/main/java/com/example/demo/threadDesignMode/TaskLifecycle.java

+package com.example.demo.threadDesignMode;
+
+public interface TaskLifecycle {
+}

src/main/java/com/example/demo/threadDesignMode/threadObservable/threadObservabledemo/Observable.java

+package com.example.demo.threadDesignMode.threadObservable.threadObservabledemo;
+
+public interface Observable {
+
+
+    enum Cycle{
+
+        STARTED,RUNNING,DONE,ERROR
+    }
+
+    Cycle getCycle();
+
+    void start();
+
+    void interrupt();
+
+}

src/main/java/com/example/demo/threadDesignMode/threadObservable/threadObservabledemo/ObservableThread.java

+package com.example.demo.threadDesignMode.threadObservable.threadObservabledemo;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author liukai
+ * @Description: TODO
+ * @date 2018/10/293:03 PM
+ */
+public class ObservableThread<T> extends Thread implements Observable{
+
+
+
+    private final TaskLifecycle<T> lifecycle;
+
+    private final Task<T> task;
+
+    private Cycle cycle;
+
+
+
+    public ObservableThread(TaskLifecycle<T> taskLifecycle,Task<T> task){
+
+        super();
+
+        if(task==null){
+            throw new IllegalArgumentException("the task is required");
+        }
+
+        this.lifecycle = taskLifecycle;
+
+        this.task =task;
+    }
+
+
+    @Override
+    public final void run(){
+
+        this.update(Cycle.STARTED,null,null);
+        try {
+            this.update(Cycle.RUNNING,null,null);
+            T result = this.task.call();
+            this.update(Cycle.DONE,result,null);
+        } catch (Exception e) {
+            this.update(Cycle.ERROR,null,e);
+        }
+
+
+    }
+
+
+
+        private void update(Cycle cycle,T result,Exception e){
+            this.cycle = cycle;
+            if(lifecycle==null){
+                return ;
+
+            }
+            try {
+                switch (cycle){
+                    case DONE:
+                        this.lifecycle.onFinish(currentThread(),result);
+                    case ERROR:
+                        this.lifecycle.onError(currentThread(),e);
+                    case RUNNING:
+                        this.lifecycle.onRunning(currentThread());
+                    case STARTED:
+                        this.lifecycle.onStart(currentThread());
+                }
+            } catch (Exception e1) {
+               if(cycle ==Cycle.ERROR){
+                   throw e1;
+               }
+            }
+
+        }
+
+
+    @Override
+    public Cycle getCycle() {
+        return this.cycle;
+    }
+
+
+    public static void main(String[] args) {
+
+        final TaskLifecycle<String> lifecycle = new TaskLifecycle.EmptyLifecycle<String>(){
+
+            @Override
+            public void onFinish(Thread thread, String result) {
+                System.out.println("the result is "+ result);
+            }
+        };
+
+
+        Observable observableThread = new ObservableThread<String>(lifecycle,()->{
+
+            try {
+                TimeUnit.SECONDS.sleep(10);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            System.out.println("finish done");
+            return "Hello 1";
+        });
+
+
+        observableThread.start();
+
+
+    }
+}

src/main/java/com/example/demo/threadDesignMode/threadObservable/threadObservabledemo/Task.java

+package com.example.demo.threadDesignMode.threadObservable.threadObservabledemo;
+
+public interface Task<T> {
+
+
+  T call();
+
+
+}

src/main/java/com/example/demo/threadDesignMode/threadObservable/threadObservabledemo/TaskLifecycle.java

+package com.example.demo.threadDesignMode.threadObservable.threadObservabledemo;
+
+public interface TaskLifecycle<T> {
+
+
+
+    void onStart(Thread thread);
+
+
+    void onRunning(Thread thread);
+
+    void onFinish(Thread thread,T result);
+
+    void onError(Thread thead, Exception e);
+
+
+    class EmptyLifecycle<T> implements TaskLifecycle<T>{
+
+
+        @Override
+        public void onStart(Thread thread) {
+
+        }
+
+        @Override
+        public void onRunning(Thread thread) {
+
+        }
+
+        @Override
+        public void onFinish(Thread thread, T result) {
+
+        }
+
+        @Override
+        public void onError(Thread thead, Exception e) {
+
+        }
+    }
+
+}

src/test/java/com/example/demo/DemoApplicationTests.java

+package com.example.demo;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DemoApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}

src/test/java/com/example/demo/TestThreadPoolExecutor/Task.java

+package com.example.demo.TestThreadPoolExecutor;
+
+public class Task implements Runnable{
+
+    private int id ;
+    private String name ;
+
+    public Task(int id, String name){
+        this.id = id;
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+    public void setId(int id) {
+        this.id = id;
+    }
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public void run() {
+        //
+        System.out.println("当前线程id和名称为:" + this.id +", " + this.name);
+        try {
+            Thread.sleep(5*1000);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+
+    public String toString(){
+        return "{ id : " + this.id + ", name : " + this.name + "}";
+    }
+
+
+}

src/test/java/com/example/demo/TestThreadPoolExecutor/TestThreadPoolExecutor.java

+package com.example.demo.TestThreadPoolExecutor;
+
+
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy;
+import java.util.concurrent.ThreadPoolExecutor.DiscardPolicy;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.ThreadPoolExecutor.AbortPolicy;
+
+public class TestThreadPoolExecutor {
+
+
+    public static void main(String[] args) {
+
+        ThreadPoolExecutor pool = new ThreadPoolExecutor(
+                2, 												//核心的线程数量
+                100, 											//最大的线程数量
+                10, 											//空闲数值
+                TimeUnit.SECONDS, 								//空闲时间单位
+                //new ArrayBlockingQueue<Runnable>(5)
+                new LinkedBlockingQueue<Runnable>()
+
+                //new x()
+        ); 			//队列容器
+
+        Task t1 = new Task(1, "任务" + 1);
+        Task t2 = new Task(2, "任务" + 2);
+        Task t3 = new Task(3, "任务" + 3);
+        Task t4 = new Task(4, "任务" + 4);
+        Task t5 = new Task(5, "任务" + 5);
+        //Task t1 = new Task(1, "任务" + 1);
+        pool.execute(t1);
+        pool.execute(t2);
+        pool.execute(t3);
+        pool.execute(t4);
+        pool.execute(t5);
+        try {
+            Thread.sleep(1000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        System.out.println(pool.getQueue().size());
+        try {
+            Thread.sleep(6000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        System.out.println(pool.getQueue().size());
+
+        pool.shutdown();
+
+
+
+    }
+}

src/test/java/com/example/demo/concurrent/UseCountDownLatch.java

+package com.example.demo.concurrent;
+
+import java.util.concurrent.CountDownLatch;
+
+public class UseCountDownLatch {
+
+    public static void main(String[] args) {
+
+        final CountDownLatch countDown = new CountDownLatch(2);
+
+        Thread t1 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    System.out.println("进入线程t1" + "等待其他线程处理完成...");
+                    countDown.await();
+                    System.out.println("t1线程继续执行...");
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        },"t1");
+
+        Thread t2 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    System.out.println("t2线程进行初始化操作...");
+                    Thread.sleep(3000);
+                    System.out.println("t2线程初始化完毕，通知t1线程继续...");
+                    countDown.countDown();
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+        Thread t3 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    System.out.println("t3线程进行初始化操作...");
+                    Thread.sleep(4000);
+                    System.out.println("t3线程初始化完毕，通知t1线程继续...");
+                    countDown.countDown();
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+
+        t1.start();
+        t2.start();
+        t3.start();
+
+
+
+    }
+}
+

src/test/java/com/example/demo/concurrent/UseCyclicBarrier.java

+package com.example.demo.concurrent;
+
+import java.io.IOException;
+import java.util.Random;
+import java.util.concurrent.BrokenBarrierException;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+public class UseCyclicBarrier {
+
+    static class Runner implements Runnable {
+        private CyclicBarrier barrier;
+        private String name;
+
+        public Runner(CyclicBarrier barrier, String name) {
+            this.barrier = barrier;
+            this.name = name;
+        }
+        @Override
+        public void run() {
+            try {
+                Thread.sleep(1000 * (new Random()).nextInt(5));
+                System.out.println(name + " 准备OK.");
+                barrier.await();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            } catch (BrokenBarrierException e) {
+                e.printStackTrace();
+            }
+            System.out.println(name + " Go!!");
+        }
+    }
+
+    public static void main(String[] args) throws IOException, InterruptedException {
+        CyclicBarrier barrier = new CyclicBarrier(3);  // 3
+        ExecutorService executor = Executors.newFixedThreadPool(3);
+
+        executor.submit(new Thread(new Runner(barrier, "zhangsan")));
+        executor.submit(new Thread(new Runner(barrier, "lisi")));
+        executor.submit(new Thread(new Runner(barrier, "wangwu")));
+
+        executor.shutdown();
+    }
+
+}
\ No newline at end of file

src/test/java/com/example/demo/concurrent/UseFuture.java

+package com.example.demo.concurrent;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.FutureTask;
+
+public class UseFuture implements Callable<String>{
+    private String para;
+
+    public UseFuture(String para){
+        this.para = para;
+    }
+
+    /**
+     * 这里是真实的业务逻辑，其执行可能很慢
+     */
+    @Override
+    public String call() throws Exception {
+        //模拟执行耗时
+        Thread.sleep(5000);
+        String result = this.para + "处理完成";
+        return result;
+    }
+
+    //主控制函数
+    public static void main(String[] args) throws Exception {
+        String queryStr = "query";
+        //构造FutureTask，并且传入需要真正进行业务逻辑处理的类,该类一定是实现了Callable接口的类
+        FutureTask<String> future = new FutureTask<String>(new UseFuture(queryStr));
+
+        FutureTask<String> future2 = new FutureTask<String>(new UseFuture(queryStr));
+        //创建一个固定线程的线程池且线程数为1,
+        ExecutorService executor = Executors.newFixedThreadPool(2);
+        //这里提交任务future,则开启线程执行RealData的call()方法执行
+        //submit和execute的区别： 第一点是submit可以传入实现Callable接口的实例对象， 第二点是submit方法有返回值
+
+        executor.submit(future);		//单独启动一个线程去执行的
+        executor.submit(future2);
+        System.out.println("请求完毕");
+
+        try {
+            //这里可以做额外的数据操作，也就是主程序执行其他业务逻辑
+            System.out.println("处理实际的业务逻辑...");
+            Thread.sleep(1000);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        //调用获取数据方法,如果call()方法没有执行完成,则依然会进行等待
+        System.out.println("数据：" + future.get());
+        System.out.println("数据：" + future2.get());
+
+        executor.shutdown();
+    }
+
+}

src/test/java/com/example/demo/concurrent/UseSemaphore.java

+package com.example.demo.concurrent;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Semaphore;
+
+public class UseSemaphore {
+
+    public static void main(String[] args) {
+        // 线程池
+        ExecutorService exec = Executors.newCachedThreadPool();
+        // 只能5个线程同时访问
+        final Semaphore semp = new Semaphore(5);
+        // 模拟20个客户端访问
+        for (int index = 0; index < 20; index++) {
+            final int NO = index;
+            Runnable run = new Runnable() {
+                public void run() {
+                    try {
+                        // 获取许可
+                        semp.acquire();
+                        System.out.println("Accessing: " + NO);
+                        //模拟实际业务逻辑
+                        Thread.sleep((long) (Math.random() * 10000));
+
+                        System.out.println("Accessing: " + NO + " release");
+                    } catch (InterruptedException e) {
+                    }finally {
+                        // 访问完后，释放
+                        semp.release();
+                    }
+                }
+            };
+            exec.execute(run);
+        }
+
+        try {
+            Thread.sleep(10);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        //System.out.println(semp.getQueueLength());
+
+
+
+        // 退出线程池
+        exec.shutdown();
+    }
+
+}
\ No newline at end of file

src/test/java/com/example/demo/condition/ConditionSingle.java

+package com.example.demo.condition;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+
+public class ConditionSingle {
+
+    private static final Logger logger = LoggerFactory.getLogger(ConditionSingle.class);
+
+    static final Lock lock = new ReentrantLock();
+    static final Condition condition = lock.newCondition();
+
+    public static void main(String[] args) throws Exception {
+
+        final Thread thread1 = new Thread("Thread 1 ") {
+            @Override
+            public void run() {
+                lock.lock(); // 线程 1获取 lock
+                logger.info(Thread.currentThread().getName() + " 正在运行 .....");
+
+                try {
+                    Thread.sleep(2 * 1000);
+                    logger.info(Thread.currentThread().getName() + " 停止运行, 等待一个 signal ");
+                    condition.await(); // 调用 condition.await 进行释放锁, 将当前节点封装成一个 Node 放入 Condition Queue 里面, 等待唤醒
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                logger.info(Thread.currentThread().getName() + " 获取一个 signal, 继续执行 ");
+                lock.unlock(); // 释放锁
+            }
+        };
+
+        thread1.start();  // 线程 1 线运行
+
+        Thread.sleep(1 * 1000);
+
+        Thread thread2 = new Thread("Thread 2 ") {
+            @Override
+            public void run() {
+                lock.lock();        // 线程 2获取lock
+                logger.info(Thread.currentThread().getName() + " 正在运行.....");
+                thread1.interrupt(); // 对线程1 进行中断 看看中断后会怎么样? 结果 线程 1还是获取lock, 并且最后还进行 lock.unlock()操作
+
+                try {
+                    Thread.sleep(2 * 1000);
+                } catch (Exception e) {
+
+                }
+                condition.signal(); // 发送唤醒信号 从 AQS 的 Condition Queue 里面转移 Node 到 Sync Queue
+                logger.info(Thread.currentThread().getName() + " 发送一个 signal ");
+                logger.info(Thread.currentThread().getName() + " 发送 signal 结束");
+                lock.unlock(); // 线程 2 释放锁
+            }
+        };
+
+        thread2.start();
+
+    }
+
+}
\ No newline at end of file

src/test/java/com/example/demo/condition/ConditionTest.java

+package com.example.demo.condition;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+
+public class ConditionTest {
+
+    private static final Logger logger = LoggerFactory.getLogger(ConditionTest.class);
+
+    static final Lock lock = new ReentrantLock();
+    static final Condition condition = lock.newCondition();
+
+    public static void main(String[] args) throws Exception {
+
+        final Thread thread1 = new Thread("Thread 1 ") {
+            @Override
+            public void run() {
+                lock.lock(); // 线程 1获取 lock
+                logger.info(Thread.currentThread().getName() + " 正在运行 .....");
+
+                try {
+                    Thread.sleep(2 * 1000);
+                    logger.info(Thread.currentThread().getName() + " 停止运行, 等待一个 signal ");
+                    condition.await(); // 调用 condition.await 进行释放锁, 将当前节点封装成一个 Node 放入 Condition Queue 里面, 等待唤醒
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                logger.info(Thread.currentThread().getName() + " 获取一个 signal, 继续执行 ");
+                lock.unlock(); // 释放锁
+            }
+        };
+
+        thread1.start();  // 线程 1 线运行
+
+        Thread.sleep(1 * 1000);
+
+        Thread thread2 = new Thread("Thread 2 ") {
+            @Override
+            public void run() {
+                lock.lock();        // 线程 2获取lock
+                logger.info(Thread.currentThread().getName() + " 正在运行.....");
+                thread1.interrupt(); // 对线程1 进行中断 看看中断后会怎么样? 结果 线程 1还是获取lock, 并且最后还进行 lock.unlock()操作
+
+                try {
+                    Thread.sleep(2 * 1000);
+                } catch (Exception e) {
+
+                }
+                condition.signal(); // 发送唤醒信号 从 AQS 的 Condition Queue 里面转移 Node 到 Sync Queue
+                logger.info(Thread.currentThread().getName() + " 发送一个 signal ");
+                logger.info(Thread.currentThread().getName() + " 发送 signal 结束");
+                lock.unlock(); // 线程 2 释放锁
+            }
+        };
+
+        thread2.start();
+
+    }
+
+}
\ No newline at end of file

src/test/java/com/example/demo/condition/UseManyCondition.java

+package com.example.demo.condition;
+
+
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class UseManyCondition {
+
+    private ReentrantLock lock = new ReentrantLock();
+    private Condition c1 = lock.newCondition();
+    private Condition c2 = lock.newCondition();
+
+    public void m1(){
+        try {
+            lock.lock();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "进入方法m1等待..");
+            c1.await();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "方法m1继续..");
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            lock.unlock();
+        }
+    }
+
+    public void m2(){
+        try {
+            lock.lock();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "进入方法m2等待..");
+            c1.await();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "方法m2继续..");
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            lock.unlock();
+        }
+    }
+
+    public void m3(){
+        try {
+            lock.lock();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "进入方法m3等待..");
+            c2.await();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "方法m3继续..");
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            lock.unlock();
+        }
+    }
+
+    public void m4(){
+        try {
+            lock.lock();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "唤醒..");
+            c1.signalAll();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            lock.unlock();
+        }
+    }
+
+    public void m5(){
+        try {
+            lock.lock();
+            System.out.println("当前线程：" +Thread.currentThread().getName() + "唤醒..");
+            c2.signal();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            lock.unlock();
+        }
+    }
+
+    public static void main(String[] args) {
+
+
+        final UseManyCondition umc = new UseManyCondition();
+        Thread t1 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                umc.m1();
+            }
+        },"t1");
+        Thread t2 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                umc.m2();
+            }
+        },"t2");
+        Thread t3 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                umc.m3();
+            }
+        },"t3");
+        Thread t4 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                umc.m4();
+            }
+        },"t4");
+        Thread t5 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                umc.m5();
+            }
+        },"t5");
+
+        t1.start();	// c1
+        t2.start();	// c1
+        t3.start();	// c2
+
+
+        try {
+            Thread.sleep(2000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        t4.start();	// c1
+        try {
+            Thread.sleep(2000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        t5.start();	// c2
+
+    }
+
+
+
+}

src/test/java/com/example/demo/limit/AccessRateLimit.java

+package com.example.demo.limit;
+
+import com.google.common.util.concurrent.RateLimiter;
+
+/**
+ * @author liukai
+ * @Description: TODO
+ * @date 2018/10/265:28 PM
+ */
+public class AccessRateLimit {
+
+
+    public static void main(String[] args) {
+
+//        RateLimiter rateLimiter = RateLimiter.create(5);
+//        rateLimiter.
+    }
+}

src/test/java/com/example/demo/lock/ThreadParkTest.java

+package com.example.demo.lock;
+
+import java.util.concurrent.locks.LockSupport;
+
+public class ThreadParkTest {
+
+
+    public static void main(String[] args) {
+        MyThread mt = new MyThread();
+        mt.setName("mt");
+        mt.start();
+        try {
+            Thread.currentThread().sleep(10);
+            mt.park();
+            Thread.currentThread().sleep(10000);
+            mt.unPark();
+            Thread.currentThread().sleep(10000);
+            mt.park();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+
+    static class MyThread extends Thread {
+
+        private boolean isPark = false;
+
+        public void run() {
+            System.out.println(" Enter Thread running.....");
+            while (true) {
+                if (isPark) {
+                    System.out.println(Thread.currentThread().getName() + "Thread is Park.....");
+                    LockSupport.park();
+                }                //do something
+                System.out.println(Thread.currentThread().getName() + ">> is running");
+                try {
+                    Thread.currentThread().sleep(1000);
+                } catch (InterruptedException e) {                    // TODO Auto-generated catch block
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        public void park() {
+            isPark = true;
+        }
+
+        public void unPark() {
+            isPark = false;
+            LockSupport.unpark(this);
+            System.out.println("Thread is unpark.....");
+        }
+    }
+}

src/test/java/com/example/demo/lock/UseReentrantReadWriteLock.java

+package com.example.demo.lock;
+
+
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;
+
+public class UseReentrantReadWriteLock {
+
+    private ReentrantReadWriteLock rwLock = new ReentrantReadWriteLock();
+    private ReadLock readLock = rwLock.readLock();
+    private WriteLock writeLock = rwLock.writeLock();
+
+    public void read(){
+        try {
+            readLock.lock();
+            System.out.println("当前线程:" + Thread.currentThread().getName() + "进入...");
+            Thread.sleep(3000);
+            System.out.println("当前线程:" + Thread.currentThread().getName() + "退出...");
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            readLock.unlock();
+        }
+    }
+
+    public void write(){
+        try {
+            writeLock.lock();
+            System.out.println("当前线程:" + Thread.currentThread().getName() + "进入...");
+            Thread.sleep(3000);
+            System.out.println("当前线程:" + Thread.currentThread().getName() + "退出...");
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            writeLock.unlock();
+        }
+    }
+
+    public static void main(String[] args) {
+
+        final UseReentrantReadWriteLock urrw = new UseReentrantReadWriteLock();
+
+        Thread t1 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                urrw.read();
+            }
+        }, "t1");
+        Thread t2 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                urrw.read();
+            }
+        }, "t2");
+        Thread t3 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                urrw.write();
+            }
+        }, "t3");
+        Thread t4 = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                urrw.write();
+            }
+        }, "t4");
+
+		t1.start();
+		t2.start();
+
+//		t1.start(); // R
+//		t3.start(); // W
+
+        t3.start();
+        t4.start();
+
+
+    }
+}

src/test/java/com/example/demo/move/Test.java

+/**
+ * @author liukai
+ * @Description: TODO
+ * @date 2018/10/2512:46 PM
+ */
+public class Test {
+}

src/test/java/com/example/demo/move/intTest.java

+package com.example.demo.move;
+
+/**
+ * @author liukai
+ * @Description: TODO
+ * @date 2018/10/2512:46 PM
+ */
+public class intTest {
+
+
+    public static void main(String[] args) {
+        int number = 10;
+        //原始数二进制
+        printInfo(number);
+        number = number << 1;
+        //左移一位
+        printInfo(number);
+        number = 10;
+        number = number >> 1;
+        //右移一位
+        printInfo(number);
+    }
+
+    /**
+     * 输出一个int的二进制数
+     * @param num
+     */
+    private static void printInfo(int num){
+        System.out.println(Integer.toBinaryString(num));
+    }
+}

添加项目.patch

+Index: .idea/vcs.xml
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+--- .idea/vcs.xml	(date 1540209232000)
++++ .idea/vcs.xml	(date 1540209232000)
+@@ -0,0 +1,6 @@
++<?xml version="1.0" encoding="UTF-8"?>
++<project version="4">
++  <component name="VcsDirectoryMappings">
++    <mapping directory="" vcs="Git" />
++  </component>
++</project>
+\ No newline at end of file