boss.java

设计模式代码

import java.util.Vector;

public class Boss{
	public Vector allPro;
	public Boss(){
		Professional pro1=new Sale();
		Professional pro2=new Programme();
		allPro.add(pro1);
		allPro.add(pro2);
	}
	public void increaseAllSalary(){
		for(Iterator it=allPro.iterator();it.hasNext();){
			((Professional)it.next()).increaseSalary();
		}
	}
}