JAVA - How To Set A Timer In Java

JAVA - How To Set A Timer In Java NetBeans

In this java Tutorial we will see How To Make A Timer In Java NetBeans .



Project Source Code:

package JavaDB_001;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;


public class Test extends JFrame {
    Timer tm1,tm2;
    JButton up,down;
    JPanel panel;
    public Test(){
        super("Timer");
        up = new JButton("up");
        down = new JButton("down");
        up.setBounds(150, 400, 100, 20);
        down.setBounds(260, 400, 100, 20);
        panel = new JPanel();
        panel.setBackground(Color.decode("#3a5795"));
        panel.setBounds(0, 0, 500, 0);
        
        tm1 = new Timer(50,new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
            
                if(panel.getHeight() != 350){
                    up.setEnabled(false);
                    down.setEnabled(false);
                    panel.setBounds(0, 0, 500, panel.getHeight()+5);
                    if(panel.getHeight() == 350){
                        tm1.stop();
                    up.setEnabled(true);
                    down.setEnabled(true); 
                    }
                }
            }
        });
        
        tm2 = new Timer(50, new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                
                if(panel.getHeight() !=0){
                         up.setEnabled(false);
                    down.setEnabled(false);
                        
                    panel.setBounds(0, 0, 500, panel.getHeight()-5);
                    if(panel.getHeight() == 0){
                        tm2.stop();
                       up.setEnabled(true);
                    down.setEnabled(true);
                    }
                }
            }
        });
        
        //Timer2 Start
        up.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                tm2.start();
            }
        });
        
         //Timer1 Start
        down.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                tm1.start();
            }
        });
        
        
        
        add(up);
        add(down);
        add(panel);
        setLayout(null);
        setSize(500, 500);
        getContentPane().setBackground(Color.decode("#bdb76b"));
        setLocationRelativeTo(null);
        setVisible(true);
    }
  
 
 public static void main(String[] args){
 
         new Test();
    }
}
Also See :
Slideshow In Java Swing

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