Saturday, 30 December 2017

Simple program which demonstrates Swing/AWT Grid layout

Simple program which demonstrates Swing/AWT Grid layout:


This post is intended to the beginners of swing/awt.

This below program creates a JFrame with 2 labels, 2 textfields and 2 buttons.


import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

/**
 * @author Nagasharath Kopalle
 *
 * Simple program to demontrate Gridlayout
 *
 */
public class GridLayoutDemo extends JFrame {

private JLabel labelName = null;

private JTextField textFieldName = null;

private JLabel labelPassword = null;

private JPasswordField passwordFieldPassword = null;

private JButton buttonSubmit = null;

private JButton buttonCancel = null;

/**
*
*/
public GridLayoutDemo() {
initComponents();
}

/**
* instantiates components and adds properties.
*/
void initComponents() {

this.setTitle("Grid Layout Demo");
this.setSize(300, 200);
GridLayout layout = new GridLayout(3, 2);
layout.setHgap(10);
layout.setVgap(5);
labelName = new JLabel("User Name: ");
textFieldName = new JTextField();

labelPassword = new JLabel("Password: ");
passwordFieldPassword = new JPasswordField();

buttonSubmit = new JButton("Submit");
buttonCancel = new JButton("Cancel");

this.setLayout(layout);
this.getContentPane().add(labelName);
this.getContentPane().add(textFieldName);

this.getContentPane().add(labelPassword);
this.getContentPane().add(passwordFieldPassword);

this.getContentPane().add(buttonSubmit);
this.getContentPane().add(buttonCancel);
}

public static void main(String[] args) {

GridLayoutDemo demo = new GridLayoutDemo();
demo.setVisible(true);
}
}

Output:


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