Complete This Code Fragment to Ensure That the Application Exits

Multiple Choice

Complete this code fragment to ensure that the application exits properly when the user closes the frame:
JFrame frame = new JFrame() ;

A) frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) ;
B) JFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) ;
C) JFrame.setCloseOperation(JFrame.EXIT) ;
D) frame.setCloseOperation(JFrame.EXIT) ;