connectionpoolb.java

来自「OOAD,加油」· Java 代码 · 共 21 行

package ooad.singleton;

public class ConnectionPoolB {
	private static ConnectionPoolB pool;
	
	private ConnectionPoolB(){}
	
	public static synchronized ConnectionPoolB getPool(){
		if(pool==null){
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			pool=new ConnectionPoolB();
		}
		return pool;
	}

}