import java.awt.*;
import javax.swing.*;
public class StartStopButton extends JButton {
  public StartStopButton(Color c) {
    setBackground(c);
    setFont(new Font("Arial",Font.PLAIN,25));
    setText("START");
  }
  public boolean isStart() {
    return getText().equals("START");
  }
  public void switchText() {
    if (isStart())
      setText("STOP");
    else
      setText("START");
  }
}