Assignemnt #43 and A frame with a panel and writing

Code

    ///Name: Joshua Bautista
    ///Period: 6
    ///Project Name: Panel
    ///File Name: Panel.java
    ///Date: 12/10/2015
    
    import javax.swing .*;
import java.awt.*;

public class Prog613
{
    public static void main( String[] args )
    {
        Frame613 f = new Frame613();
        f.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        f.setVisible(true);
    }
}
class Frame613 extends JFrame
{
        public Frame613()
        {
            setTitle("613 rocks!");
            setSize(300,200);
            setLocation(100,200);
            
            Panel613 panel = new Panel613();
            Container cp = getContentPane();
            cp.add(panel);
        }
}
class Panel613 extends JPanel
{
    public void paintComponent( Graphics g )
    {
        super.paintComponent(g);
        g.drawString("Hi",75,100);
    }
}
    

Picture of the output