Q.1
Which of this keyword must be used to inherit a class?
  • super
  • this
  • extend
  • extends
Q.2
The wrapping up of data and functions into a single unit is called
  • overloading
  • class
  • object
  • encapsulation
Q.3
What is the parent class of All Exceptions in JAVA
  • Throw
  • Exception
  • Error
  • Bug
Q.4
Choose the CORRECT exceptionString department="JTMK"; Integer no=Integer.parseInt(department);
  • ArithmeticException
  • NullPointerException
  • NumberFormatException
  • ArrayIndexOutOfBoundsException
Q.5
Evaluate the following Java expression, if x=y=and z=10:++z + y - y + z + x++
  • 24
  • 23
  • 20
  • 25
Q.6
What is the default value of a Boolean variable?
  • True
  • true
  • False
  • false
Q.7
Output of following Java program?class Test{ public static void main (String[] args) { int arr1[] = {3}; int arr2[] = {3}; if (arr1 == arr System.out.println("Same"); else System.out.println("Not same"); }}
  • Same
  • Not same
  • Error
Q.8
_____ is used to find and fix bugs in the Java programs.
  • JVM
  • JRE
  • JDK
  • JDB
Q.9
Which of the following is not a Java features?
  • Dynamic
  • Architecture Neutral
  • Use of pointers
  • Object-oriented
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