Code review

[ozidom]

if you do Pull requests in furture I can do propper comments but anyway in relation to the code: public HelloWorldGUI() { setTitle("Hello World in Java");//DOMS COMMENTS - MAKE THIS A CONSTANT STRING Container c = getContentPane(); //DOMS COMMENTS - c is not a good name contentPane seems better setSize(WIDTH, HEIGHT); c.setLayout(new GridLayout(3,1)); //DOMS COMMENTS - REMOVE SPACES

    // define textarea and buttons
    displayBox = new JTextArea(1,3);
    printB = new JButton("Print");//DOMS COMMENTS -call it printButton instead i think
    exitB = new JButton("Exit");//DOMS COMMENTS -call it exitButton instead i think
    //DOMS COMMENTS - Good spacing here !!!! and below before // add items to pane
    // button setup for action listener
    exitB.addActionListener(this);
    printB.addActionListener(this);

    // add items to pane
    c.add(displayBox);
    c.add(printB);
    c.add(exitB);

    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setVisible(true);
}

public void actionPerformed(ActionEvent e)
{
    if (e.getActionCommand().equals("Print"))//DOMS COMMENTS - MAKE THIS A CONSTANT STRING
    {
        displayBox.setText("Hello World"); //DOMS COMMENTS - MAKE THIS A CONSTANT STRING
    else if (e.getActionCommand().equals("Exit")) //DOMS COMMENTS - MAKE THIS A CONSTANT STRING
        System.exit(0); // Close the application.
}