Friday 30 October 2015

JAVA SOLVED MCQS FOR UGC NET COMPUTER SCIENCE



                       JAVA SOLVED MCQS FOR UGC NET COMPUTER SCIENCE

1.       What is the difference between a class and object
A.      A class represents a collection of objects
B.      A class defines the attributes and behavior of an object
C.      An object represents a collection of classes
D.      Both class and object are one and the same
Ans.: B

        2.     What happens if a class defines a method with the same name and parameters a method in its super class
A.      The compiler automatically renames the subclass method
B.      The program runs since because overriding methods is allowed
C.      The program throw a duplicate method exception
D.      The subclass methods will be ignored.              
Ans.: B
  
3. Which of the following are examples of polymorphism
A.      Method overriding
B.      Method overloading
C.      Accessors and mutators
D.      Both a and b
Ans.: D