JButton in java (How we create JButton in java Swing)

Hasan Bakri 9/02/2018 09:12:00 PM java, JButton in java Comment

Java Button

The JButton class is used to create a categorized button that has platform independent implementation. The utility bring about a few movement when the button is driven. It inherits AbstractButton class.

Creating Button:

JButton btn1 = new JButton("ok");
        btn1.setBounds(50,100,95,30);
        add(btn1);

Commonly used Methods of AbstractButton class:

Methods Description

|============================================

|void setText(String s) || it's miles used to set specific text on button

|==================================================================

|String getText() || it's far used to go back the text of the button.

|==================================================================

|void setEnabled(boolean b) || it's miles used to permit or disable the button.

==================================================================

|void setIcon(Icon b) || it is used to set the required Icon at the button.

==================================================================

| Icon getIcon() || it's miles used to get the Icon of the button.

|==================================================================

|void setMnemonic(int a) || it's far used to set the mnemonic on the button.

|==================================================================

|void addActionListener(ActionListener a) || it is used to feature the action listener to this

object . ===================================================================

JButton Example:


Import javax.swing.*;

public class Button1 {
    
    public static void main(String[] args) {
     
        JFrame f = new JFrame("My First GUI Frame");
        JButton btn1 = new JButton("ok");
        btn1.setBounds(50,100,95,30);
        f.add(btn1);
        
        f.setSize(400, 400);
        f.setLayout(null);
        f.setVisible(true);
   
    }

}

Output:

JButton Example with the Help of OPP Concept Constructor

import javax.swing.*;

public class Button1 {
    
    public static void main(String[] args) {
       
        new Button1();
    }
    
    public Button1()
    {
        JFrame f = new JFrame("My First GUI Frame");
        JButton btn1 = new JButton("ok");
        btn1.setBounds(50,100,95,30);
        f.add(btn1);
        
        f.setSize(400, 400);
        f.setLayout(null);
        f.setVisible(true);
    }
    
}