摘要：Name:Contact Phone No/Email address:Date:Programming Skill Evaluation TestThe test can be answered in Chinese or English. (测试可使用中文或英文作答)1.Consider classes below.package com.icil.appl;public class Person { private String name = ""; int age = 0; public Person(String _name, int _age) { this.n 阅读全文

摘要：Panel可以实现ImageObserver接口，所以Panel类后添加“implements ImageObserver”，在Panel的构造方法中初始化Buffer Image对象，然后在Paint语句中添加Graphics的DrawImage方法，其Observer参数为this。实例如下：class MyPanel extends JPanel implements MouseListener, ImageObserver { BufferedImage bi; private static final long serialVersionUID = 1L; public MyPane 阅读全文

摘要：1. 在paint中new BufferedImage;2. Graphics2D=bufferedimage.createGraphics();3. Graphics2D.draw;4. Graphics.drawImage. 阅读全文

摘要：import java.awt.Color;import java.awt.Graphics;import java.awt.Graphics2D;import javax.swing.JFrame;import javax.swing.JPanel;public class MyFrame extends JFrame { /** * */ privatestatic final long serialVersionUID = 1L; classMyPanel extends JPanel { /** * */ privatestatic final long serialVersion.. 阅读全文