11. What will be the output : String x=’0123456789′; System.out.println(x.substring(5,8));.
12. The layout of a container can be altered using which of the following methods:.
13. Which statement is true?.
14. How can a client prepare itself for callbacks from RMI server?.
15. Which of the following, are valid return types, for listener methods:.
16. Which of the following is not a keyword?.
17. Which of the following is not a Marker Interface?.
18. Which of the following is not a valid event class?.
19. When an applet begins awt call following sequence of method.
20. The concept of multiple inheritance is implemented in Java by.