读水浒传有感800字作文:我想个关于JAVA编程的问题在程序中的this.repaint();有什么作用?startCallNum+=1;是什么意思?
来源:百度文库 编辑:高校问答 时间:2024/05/11 17:31:53
import javax.swing.*;
import java.awt.*;
public class MyAppletTwo extends JApplet
{
int initCallNum=0;
int startCallNum=0;
int stopCallNum=0;
int destroyCallNum=0;
int paintCallNum=0;
。
public void init()
{
initCallNum=initCallNum+1;
this.repaint();
}
public void start()
{
startCallNum+=1;
this.repaint();
}
public void stop()
{
stopCallNum+=1;
this.repaint();
}
public void destroy()
{
destroyCallNum+=1;
this.repaint();
}
public void paint(Graphics g)
{
paintCallNum+=1;
g.drawString("Start Meth Call Num Is :"+String.valueOf(startCallNum),20,50);
}
}
import java.awt.*;
public class MyAppletTwo extends JApplet
{
int initCallNum=0;
int startCallNum=0;
int stopCallNum=0;
int destroyCallNum=0;
int paintCallNum=0;
。
public void init()
{
initCallNum=initCallNum+1;
this.repaint();
}
public void start()
{
startCallNum+=1;
this.repaint();
}
public void stop()
{
stopCallNum+=1;
this.repaint();
}
public void destroy()
{
destroyCallNum+=1;
this.repaint();
}
public void paint(Graphics g)
{
paintCallNum+=1;
g.drawString("Start Meth Call Num Is :"+String.valueOf(startCallNum),20,50);
}
}