JTextField in Java Swing Example

A Textfield is a component used for displaying, inputting and editing a single line of plain text. We can create text field by creating an instance of JTextField class. The JTextComponent is a superclass of JTextField that provides common set of methods used by JTextfield.

The following table shows some methods of this class:

import javax.swing.*;


import java.awt.*;


class JTextFieldExample extends JFrame


{


   JTextFieldExample()


   {


       setLayout(new FlowLayout());


       JLabel lblRollno = new JLabel("Rollno : ");


       JTextField txtRollno = new JTextField(15);


       JLabel lblName = new JLabel("Name :");


       JTextField txtName = new JTextField("Mr Thakur",15);


       add(lblRollno); add(txtRollno);


       add(lblName); add(txtName);


   }


}


 class JTextFieldJavaExample


 {


       public static void main(String args[])


      { 


           JTextFieldExample frame = new JTextFieldExample();


            frame.setTitle("JTextField in Java Swing Example");


            frame.setBounds(200,250,150,150);


            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


            


            frame.setVisible(true);


  }


}