一个小程序的运行错误
import java.awt.Frame;
import java.awt.Color;
class MyFrame extends Frame
{
MyFrame(String s)
{
super(s);
setBackground(Color.blue);
setSize(250,100);
setVisible(true);
}
}
class TestMyFrame
{
public static void main(String args)
{
new MyFrame("Example 9.2");
System.out.println("then press Ctrl+C to quit");
}
}
javac TestMyFrame.java
没有错
java TestMyFrame
有错:Exception in thread "main" java.lang.NosuchMethodError:main
新手请教,多谢了!