初学JAVA的一段代码，看不出哪里出错，帮忙检查下,该怎么解决

初学JAVA的一段代码，看不出哪里出错，帮忙检查下

Java code

import java.awt.Color;import java.awt.Graphics;import javax.swing.JApplet;public class definemethod extends JApplet{    public void paint(Graphics g){        super.paint(g);        myDraw(g, 50, 50, 20);            }        public myDraw(Graphics gg, int centex, int centey, int radius)    {        gg.drawOval(centex - radius, centey - radius, 2 * radius, 2 * radius);    }}

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at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)


[解决办法]
我汗，你要细心呀
[解决办法]
//声明一个方法的格式：修饰符 返回值 方法名(参数类型 参数名 ...) 
public void myDraw(Graphics gg, int centex, int centey, int radius)
[解决办法]
原来是C++过来的mm，失敬失敬

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