driver.java

Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套 代码

import java.awt.Color;
import javax.swing.JFrame;

/** Triangle Driver  (Figure 8.18)
 *  Author: David Riley
 *  Date: May, 2004 
 */
public class Driver  {
    public Driver()   {
        JFrame  theWin = new JFrame("Example use of Triangle");
        Triangle leftTriangle, rightTriangle;
        
        theWin.setBounds(100, 100, 250, 200);
        theWin.setVisible(true);
        theWin.setLayout(null);
        theWin.setBackground( Color.white );
        
        leftTriangle = new Triangle();
        leftTriangle.setBounds(10, 10, 100, 50);
        leftTriangle.setBackground( Color.lightGray );
        theWin.add(leftTriangle, 0);
        
        rightTriangle = new Triangle();
        rightTriangle.setBackground( Color.black );
        rightTriangle.setBounds(150, 20, 50, 150);
        theWin.add(rightTriangle, 0);
        theWin.repaint();
    }
}