じゃヴぁ６１

import java.awt.*;
public class java61 {
    Frame frame;

    public java61() {
        frame = new Frame( "frame" );
        frame.setSize( 500, 500 );
        frame.setVisible( true );
    }

    public static void main( String[] args ) {
        java61 pon = new java61();
    }
}