在Label 中显示时间

Question

public void run()
{
              while(true) 
              {
a=(d.getHours()+":"+d.getMinutes()+":"+d.getSeconds());
la.setText(a);
try
{
t.sleep(1000);

}
catch(InterruptedException e){}
               }

}

Answer 1

public void run()
{
              while(true) 
              {
                  Date d=new Date();
a=(d.getHours()+":"+d.getMinutes()+":"+d.getSeconds());
la.setText(a);
try
{
t.sleep(1000);

}
catch(InterruptedException e){}
               }

}