Applet

Development Platform:

Java

1.txt：Code Content

							import java.applet.*;
import java.awt.*;
public class LifeCycle extends Applet{
private int InitCnt;
private int StartCnt;
private int StopCnt;
private int DestroyCnt;
private int PaintCnt;
public LifeCycle(){//在init()执行前执行构造函数
InitCnt = 0;
StartCnt = 0;
StopCnt = 0;
DestroyCnt = 0;
PaintCnt = 0;
}
public void init(){
resize(320, 240);
InitCnt++;
}
public void destroy(){
DestroyCnt++;
}
public void start(){
StartCnt++;
}
public void stop(){
StopCnt++;
}
public void paint(Graphics g){
PaintCnt++;
g.drawLine(20,200,300,200); //画出坐标轴和标尺
g.drawLine(20,200,20,20);
g.drawLine(20,170,15,170);
g.drawLine(20,140,15,140);
g.drawLine(20,110,15,110);
g.drawLine(20,80,15,80);
g.drawLine(20,50,15,50);
g.drawString("Init()",25,213);
g.drawString("Start()",75,213);
g.drawString("Stop()",125,213);
g.drawString("Destroy()",175,213);
g.drawString("paint()",235,213);
g.fillRect(25,200-InitCnt*30,40,InitCnt*30); //显示各种方法被调用的次数
g.fillRect(75,200-StartCnt*30,40,StartCnt*30);
g.fillRect(125,200-StopCnt*30,40,StopCnt*30);
g.fillRect(175,200-DestroyCnt*30,40,DestroyCnt*30);
g.fillRect(235,200-PaintCnt*30,40,PaintCnt*30);
}
}

						