How to Program a JTextField

Output:

Code:

/**
 * File: programJTextField.java
 * Tiltle: How to Program a JTextField
 * Author: http://java-program-sample.blogspot.com
 */

//Java Core Package
import javax.swing.*;
//Java Extension Package
import java.awt.*;

public class programJTextField extends JFrame {
 
 //Initializing JTextField
 private JTextField field;

 //Setting up GUI
    public programJTextField() {
     
     //Setting up the Title of the Window
     super("How to Program a JTextField");

     //Set Size of the Window (WIDTH, LENGTH)
     setSize(250,100);

     //Exit Property of the Window
     setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

     //Constructing JTextField with a size of 20 with a specified string "Enter Text Here..."
     field = new JTextField("Enter Text Here...",20);

     //Setting up the container ready for the components to be added.
     Container pane = getContentPane();
     setContentPane(pane);

     //Adding the JTextField component to the container
     pane.add(field, BorderLayout.NORTH);

     /**Set all the Components Visible.
      * If it is set to "false", the components in the container will not be visible.
      */
     setVisible(true);
    }
    
 //Main Method
    public static void main (String[] args) {
     programJTextField pjtf = new programJTextField();
 }
}

Important Part of the Program:

//Initializing JTextField
private JTextField field;

//Constructing JTextField with a size of 20 with a specified string "Enter Text Here..."
field = new JTextField("Enter Text Here...",20);

Posted in: JTextField