Interfaces And Abstract Classes - Study Mode
[#131] Which of these methods of a Thread class is used to suspend a thread for a period of time?
Correct Answer
(A) sleep()
[#132] Which of these method of Object class can generate duplicate copy of the object on which it is called?
Correct Answer
(A) clone()
[#133] Which of these packages contain classes and interfaces used for input & output operations of a program?
Correct Answer
(C) java.io
[#134] Which of this interface is implemented by Thread class?
Correct Answer
(A) Runnable
[#135] Which of these methods return a smallest whole number greater than or equal to variable X?
Correct Answer
(A) double ceil(double X)