Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JTextField;

public class Main {

    public static void main(String[] args) {

        final JTextField tf = new JTextField("press <enter>", 20);
        tf.setHorizontalAlignment(JTextField.RIGHT);

        tf.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int old = tf.getHorizontalAlignment();
                if (old == JTextField.LEFT)
                    tf.setHorizontalAlignment(JTextField.RIGHT);
                if (old == JTextField.RIGHT)
                    tf.setHorizontalAlignment(JTextField.CENTER);
                if (old == JTextField.CENTER)
                    tf.setHorizontalAlignment(JTextField.LEFT);
            }
        });

        JFrame frame = new JFrame("JTextFieldExample");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().setLayout(new java.awt.FlowLayout());
        frame.getContentPane().add(tf);
        frame.setSize(275, 75);
        frame.setVisible(true);
        tf.requestFocus();
    }
}