java问题
请问:我写了如下applet小程序
import java.awt.*;
import java.applet.*;
public class MyApplet extends Applet {
public String text = "hello";
public void paint(Graphics g) {
g.drawString(text,20,20);
}
}
但运行时出现exception in thread main java.lang.noSuchMethoderror的提示(注意不是:exception in thread main java.lang.noClassDefFounderror)
我是初学者不太懂
谢谢各位大侠了!!!
[解决办法]
没有main方法,如果你非要用application的方式运行,把applet放到frame里
- Java code
import java.awt.*;import java.applet.*;public class MyApplet extends Applet {public String text = "hello";public void paint(Graphics g) {g.drawString(text,20,20);}public static void main(String[] args) { //加个main方法,用frame显示它 Frame f = new Frame(); f.setSize(400, 300); f.add(new MyApplet()); f.setVisible(true);}}