testrectangle1.java

还不错的java基本实例

package ch6;
import javax.swing.JOptionPane;
public class TestRectangle {
    public static void main(String[] args){
        String output;
		Rectangle rec1 = new Rectangle(10,20,100,50);

		output="rec1: ";
		output+=rec1.print();
		rec1.Inflate(20,20);
		output+="rec1Inflate:  ";
		output+=rec1.print();
		JOptionPane.showMessageDialog( null,output);
	}
}