example.java

来自「JAVA培训用实用代码」· Java 代码 · 共 24 行

public class Example{
	public static void main(String args[]){
		Example ex = new Example();
		int date = 9;
		BirthDate d1= new BirthDate(7,7,1970);
		BirthDate d2= new BirthDate(1,1,2000);    	
		ex.change1(date);
		ex.change2(d1);
		ex.change3(d2);	
		System.out.println("date=" + date);
		d1.display();
		d2.display();			
	}
	public void change1(int i){
		i = 1234;
	}	
	public void change2(BirthDate b){
		b = new BirthDate(22,2,2004);
	}
	public void change3(BirthDate b){
		b.setDay(22);
	}	
}