Question
What is wrong with this code that sets up a timer? class Counter implements ActionListener { private int counter = 0; public void actionPerformed(ActionEvent event)
What is wrong with this code that sets up a timer?
class Counter implements ActionListener
{
private int counter = 0;
public void actionPerformed(ActionEvent event)
{
counter++;
System.out.println(counter);
}
}
Timer t = new Timer(1000, new Counter());
A. The counter class should have implemented the TimerListener interface.
B. The counter should have been declared as final
C. The timer was not started
D. The addActionListener method should have been called on the timer.
=============================================================
Consider the following code snippet:
class MousePressedListener implements ActionListener
{
public void mousePressed(MouseEvent event)
{
int x = event.getX();
int y = event.getY();
component.moveTo(x,y);
}
}
What is wrong with this code?
A. The mousePressed method cannot access the x and y coordinates of the mosu
B. The mousePressed method cannot access the component variable
C. The repaint method was not called
D. The class has implemented the wrong interface.
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