overload.java

来自「JAVA培训用实用代码」· Java 代码 · 共 22 行

class A{
	int i;
	public A(){}
	public A(int i){
		this.i = i;
	}
	public void A(){
		System.out.println(i);
	}
	public void A(String s){ 
		System.out.println(s);
	}
}

public class OverLoad{ 
	public static void main(String args[]){
		A a = new A(30);
		a.A();
		a.A("don't do so again!");
	}
}