/* Now the applet will have a GUI
These are elements to interact with the user.
In this example they will not perform any actions.
*/

import java.awt.*;
import java.applet.*;

public class GuiExample extends Applet
{

// A Button to click
Button okButton;

// A textField to get text input
TextField nameField;

// A group of radio buttons
// necessary to only allow one radio button to be selected at the same time

CheckboxGroup radioGroup;
// The radio buttons to be selected
Checkbox radio1;
Checkbox radio2;

// An independant selection box
Checkbox option;

public void init()
{

// Tell the applet not to use a layout manager.
setLayout(null);

// initialze the button and give it a text.
okButton = new Button(“A button”);

// text and length of the field
nameField = new TextField(“A TextField”,100);

// initialize the radio buttons group
radioGroup = new CheckboxGroup();

// first radio button. Gives the label text, tells to which
// group it belongs and sets the default state (unselected)
radio1 = new Checkbox(“Radio1″, radioGroup,false);

// same but selected
radio2 = new Checkbox(“Radio2″, radioGroup,true);

// Label and state of the checkbox
option = new Checkbox(“Option”,false);

// now we will specify the positions of the GUI components.// this is done by specifying the x and y coordinate and
//the width and height.

okButton.setBounds(20,20,100,30);
nameField.setBounds(20,70,100,40);
radio1.setBounds(20,120,100,30);
radio2.setBounds(140,120,100,30);
option.setBounds(20,170,100,30);

// now that all is set we can add these components to the applet
add(okButton);
add(nameField);
add(radio1);
add(radio2);
add(option);
}

}

// Thats’s it, you now have given the user visual options.
// However there are no actions related to these comonents.
// that makes it easier to place components.