Sep 2006 - Part B - Q1

import javax.swing.*;
import java.awt.*;

public class CalInter extends JApplet{

//declare and initialise objects
private JButton aButton[] = new JButton[16];
private String aString[] = {"7","8","9","/","4","5","6","*","1","2","3","-","0",".","=","+"};
private BorderLayout aBorder = new BorderLayout();
private GridLayout aGrid = new GridLayout(4,4);

//declare objects
private JPanel aPane;
private JTextField aTextField;

public void init()
{
//CalInter aCalInter = new aCalInter();

//initialise Panel
aPane = new JPanel(aGrid);

//initalise Button and add button to panel
for(int i=0;i
{
aButton[i] = new JButton(aString[i]);
aPane.add(aButton[i]);
}

getContentPane().setLayout(aBorder);
aTextField = new JTextField();
getContentPane().add(aTextField,BorderLayout.NORTH);
getContentPane().add(aPane,BorderLayout.CENTER);
}
}