test.java

来自「OOAD,加油」· Java 代码 · 共 42 行

package ooad.singleton;

public class Test {
	static ConnectionPoolB pool3;
	static ConnectionPoolB pool4;
	
	
	public static void main(String[] args) {
		ConnectionPool pool1=ConnectionPool.getPool();
		ConnectionPool pool2=ConnectionPool.getPool();
		System.out.println(pool1==pool2);
		

		
		Thread t1=new Thread(){
			public void run(){
				pool3=ConnectionPoolB.getPool();
			}
		};
		
		Thread t2=new Thread(){
			public void run(){
				pool4=ConnectionPoolB.getPool();
			}
		};
		
		t1.start();
		t2.start();
		
		try {
			Thread.sleep(5000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		
		System.out.println(pool3);
		System.out.println(pool4);
	}

}