Test2.java 620 Bytes
package com.bsth;

public class Test2 {
	
	public static void main(String[] args) {
		
		for(int i = 0; i < 20; i ++){
			new MyThread(i + "").start();
		}
	}
	
	public static class MyThread extends Thread {
		
		private String name ;
		
		public MyThread(String name) {
			this.name = name;
		}

		@Override
		public void run() {
			method(name);
		}
	}
	
	public static void method(String name){
		System.out.println("线程" + name + "开始...");
		int a = 0;
		for(int i = 0; i < 1000; i ++){
			a ++;
		}
		a--;
		System.out.println("线程" + name + "结束... a = " + a);
	}
}