JButton setEnabled method takes boolean parameters.If set false,the JButton is disabled and if set True the JButton is enabled.See below...
JButton setEnabled method takes boolean parameters.If set false,the JButton is disabled and if set True the JButton is enabled.See below code example.
import javax.swing.JButton; import javax.swing.JFrame; import java.awt.FlowLayout; public class JButtonExample { JButtonExample() { JFrame frame=new JFrame(); JButton button=new JButton("Disabled Button"); //using java setEnabled method ..taking false parameter button.setEnabled(false); JButton button2=new JButton("Enabled Button"); button2.setEnabled(true); frame.add(button); frame.add(button2); frame.setLayout(new FlowLayout()); frame.setSize(300,200); frame.setVisible(true); } public static void main(String args[]) { new JButtonExample(); } }