To Create an Applet using Blue J

• Create a folder on your DeskTop for your java programs - Joey's Java
• Click on BlueJ icon
• New Project - (close old project if one is already open)
• Browse for your folder - add /name (whatever you want to call your project)
• Click Create
• Type new Class
• Click on Applet button - then enter name for your class - (you can use same name as project)
• Erase stuff that is there
• Copy in the following :
  

  // draw a line across the screen
  
  
  import java.applet.*;
  import java.awt.*;
  
  public class app1 extends Applet {
      
    private int width;
    private int height;
    
  
     public void init() {
        width = getSize().width;
        height = getSize().height;
        setBackground( Color.black );
     }
  
     public void paint( Graphics g ) {
        g.setColor( Color.green );
        g.drawLine(0,0,width,height);
       
        }
  
  }
  

• Change the name of the class (app1) to whatever you named your class - be case sensitive.
• Hit compile
• Close Window
• Right Mouse Click on Applet - Run Applet