overloading.java

Object-Based Programming 语言基础 java 教程

class tree{
    tree(){
        System.out.println("Planting a seeding!");
    }
    tree(int i){
        System.out.println("Planting a " + i +"cm tree!");
    }

}
public class Overloading{
    public static void main(String [] args){
	    new tree();
	    new tree(20); 
	}
}