i will like to view a java source code for adaptive traffic control
system
Posts: 8,059
Threads: 1
Joined: Mar 2014
java source code that controls traffic lights
The Traffic Light Java Applet Source Code
Here is the source code for the program we created in class on Wednesday, October 6, 2004.
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JApplet;
import javax.swing.JButton;
/*
* Created on Oct 6, 2004
*
* @author Steve Tanimoto
*/
public class TrafficLight extends JApplet implements ActionListener {
int phase = 0;
Container c;
/**
* @throws java.awt.HeadlessException
*/
public TrafficLight() throws HeadlessException {
JButton jb = new JButton("Change!");
c = this.getContentPane();
c.setLayout(new BorderLayout());
c.add(jb, BorderLayout.SOUTH);
jb.addActionListener(this);
c.setBackground(Color.green);
}
public void actionPerformed(ActionEvent e) {
phase = (phase + 1) % 3;
if (phase == 0) {
c.setBackground(Color.green);
}
else if (phase == 1) {
c.setBackground(Color.yellow);
}
else if (phase == 2) {
c.setBackground(Color.red);
}
}
}