ListerGray的博客

import java.util.concurrent.Semaphore; public class ApplicationDemo10 { public static void main(String[] args) throws InterruptedException { Foo foo = new Foo(); int[] arr = new...

synchronized 修饰普通方法相当于 synchronized(this){ // 操作 } synchronized 修饰静态方法 synchronized(C.class){ // 操作 } 非线程安全举例 public class ApplicationDemo08 { public static void main(String[] args) throws In...

// 继承Thread class Thread1 extends Thread { @Override public void run() { System.out.println("继承Thread!"); } } // 实现Runnable class Thread2 implements Runnable { @Override p...