testoverloading.java

还不错的java基本实例

/*
 * 创建日期 2006-2-1
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package ch4;
import javax.swing.JOptionPane;
public class Testoverloading {
    public static void main(String[] args){
        Point myp   = new Point(100, 100);
        Size s  = new Size(50, 50);
        Rectangle rec1  = new Rectangle(myp, 20, 20);
        Rectangle rec2  = new Rectangle(10, 20, 100, 50);
        Rectangle rec3 = new Rectangle(100, 100, 50, 50);

        String output  = "rec1:\n" ;
        output += rec1.print() +"\n";

        output += "rec2:\n" ;
        output += rec2.print() +"\n";

        output += "rec3:\n" ;
        output += rec3.print() +"\n";

        rec1.Inflate(20, 20);
        output += "rec1放大后:\n" ;
        output += rec1.print() +"\n";

        rec2.Inflate(s);
        output += "rec2放大后:\n" ;
        output += rec2.print()+"\n";

        rec3.Inflate(myp);
        output += "rec3放大后:\n" ;
        output += rec3.print();
        JOptionPane.showMessageDialog(null,output); 
    }

}