• 2022-05-30
    当窗口从非激活状态到激活时,窗口的监视器调用_____方法。
    A: public void windowDeactivated(WindowEvent e)
    B: public void windowActivated(WindowEvent e)
    C: public void windowClosing(WindowEvent e)
    D: public void windowIconified(WindowEvent e)
  • B

    内容

    • 0

      当鼠标进入应用程序的窗口时,所调用的鼠标事件的方法是() A: public void mouseEntered( MouseEvent ) B: public void mousePressed( MouseEvent ) C: public void mouseMoved( MouseEvent ) D: public void mouseExited( MouseEvent )

    • 1

      下列方法能够通过编译的是() A: Public void add() { } B: public Void Add() { } C: public void Add() { } D: Public Void Add() { }

    • 2

      给定下面方法声明,与该方法重载的方法包括 public void close(int apple){} A: public int close(int a){} B: public void close(int a, int b){} C: public void close(int door){ System.exit(0); } D: public void close(float door){} E: public void close(double b, Boolean b){}

    • 3

      给定下面方法声明,与该方法重载的方法包括[br][/br]public void close(int apple){} A: public int close(int a){} B: public void close(int a, int b){} C: public void close(int door){<br> System.exit(0);<br>} D: public void close(float door){} E: public void close(double b, Boolean b){}

    • 4

      请选择JAVA的入口方法: A: public void main() B: public static void main() C: public static void entry() D: public static void main(String[] args)