example.java

介绍有关java的资料 课件 相当一本书籍 里面都是很基础的知识

		import java.awt.*;
		public class Example extends Frame	{
			public String motd;
			public Example(String s){
				super("程序示范");		//set title
				motd = s;
				resize(300,100);
			}
			public Example(){
				this("这是一个鼠标按键事件处理示范程序");
			}
			public void paint(Graphics g){
				g.drawString(motd,20,50);
				g.drawString("使用鼠标点击程序框架内任何处，则退出该程序",20,75);
			}
			public boolean mouseDown(Event e,int x,int y) {
				hide();			        //hide the window
				dispose();
				System.exit(0);		        //Quit
				return false;
			}
			public boolean handleEvent(Event e) {
				if (e.id == Event.WINDOW_DESTROY) {
					dispose();
					System.exit(1);
					return true;
				}
				else {
					super.handleEvent(e);
				}
                                return false;
			}

			public static void main(String args[]) {
				Example m;
				if (args.length > 1) {
					m = new Example(args[0]);
				}
				else {
					m = new Example();
				}
				m.show();
			}
		}