31. How do you change the current layout manager for container?
Answer : use setLayout() .
32. Which is not keybord in java
Answer : unsigned.
33. Which method can be used to enable/disable a checkbox menu item?
Answer : setState(boolean).
34. what makes the java platform dependent
Answer : both of above.
35. Read object method reconstructs object at the time of retriving from the file
Answer : Byte by Byte.
36. Which of the following command line options generates documentation for all classes and methods?
Answer : verbose.
37. Which of the following will produce a value of 22 if x = 22.9?
Answer : floor(x).
38. how are remote object parameters transferred between client and server
Answer : the skeelton file must be present for the server.
39. Which of the following collection classes from java.util package are thread safe?
Answer : Vector.
40. Tree Map class is used to implement which collection interface. select the one correct answer
Answer : Sorted Map.