timerlabel.java

exam system for all developers

//package TimerLabel;
import java.awt.*;

public class TimerLabel  extends Label implements Runnable{
Label comp;
int timediff;
int CountSecs=0;
int CountMins=0;
String sLabelText="  ";
Thread t;
boolean running=false;
boolean suspended=false;

  public TimerLabel(){
          super("      ");
          t = new Thread(this);
          this.setBackground(Color.white);
  }//End of constructor

  public void StartCount(){
  if((running ==false)&& (suspended == false)){
      t.start();
      running=true;
      }
  if(suspended==true){
    t.resume();
    suspended=false;
    running=true;

    }
  }


  public void StopCount(){
      if(running==true){
            t.suspend();
            running=false;
          suspended=true;
      }

  }//End of setStopCount

public void Zero(){
    StopCount();
    CountSecs=0;
    sLabelText="123456789";
    this.setText(sLabelText);
  }//End of setZero


  public void run(){
      while(true){
          try{
              CountSecs++;
              if(CountSecs == 59){
                  CountMins++;
                  sLabelText=sLabelText+CountMins+":  ";
                  CountSecs=0;
             }else
             {
             sLabelText=""+CountMins+":"+CountSecs + " ";
             this.validate();



             System.out.println(sLabelText);
             }

              this.setText(sLabelText);
              //t.sleep(timediff);
             t.yield();
              t.sleep(1000);

            }catch(Exception e){}
        }
    }//End of run

}