JAVA MCQs with answers Page - 8

Dear candidates you will find MCQ questions of JAVA here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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📊 JAVA
Q. What is the value of the expression 8 << 2 ?
  • (A) 2
  • (B) 32
  • (C) 1 6
  • (D) 5
💬 Discuss
✅ Correct Answer: (B) 32
📊 JAVA
Q. The keyword used to create a constant variable
  • (A) const
  • (B) static
  • (C) final
  • (D) none of these
💬 Discuss
✅ Correct Answer: (C) final
📊 JAVA
Q. What is stored in the object obj in following lines of code? box obj;
  • (A) Memory address of allocated memory of object.
  • (B) NULL
  • (C) Any arbitrary pointer
  • (D) Garbage
💬 Discuss
✅ Correct Answer: (B) NULL
📊 JAVA
Q. Which of the following is a valid declaration of an object of class Box?
  • (A) Box obj = new Box();
  • (B) Box obj = new Box;
  • (C) obj = new Box();
  • (D) new Box obj;
💬 Discuss
✅ Correct Answer: (A) Box obj = new Box();
📊 JAVA
Q. Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.
  • (A) static
  • (B) final
  • (C) abstract
  • (D) public
💬 Discuss
✅ Correct Answer: (A) static
📊 JAVA
Q. Variables declared with in a class are called
  • (A) Identifier
  • (B) local variable
  • (C) instance variable
  • (D) global variable
💬 Discuss
✅ Correct Answer: (C) instance variable
📊 JAVA
Q. Variables declared within a method or block are called
  • (A) Static variable
  • (B) local variable
  • (C) instance variable
  • (D) global variable
💬 Discuss
✅ Correct Answer: (B) local variable
📊 JAVA
Q. Defining methods with same name and different no. of parameters are called
  • (A) Method overriding
  • (B) method overloading
  • (C) Dynamic method dispatch
  • (D) none of the above
💬 Discuss
✅ Correct Answer: (B) method overloading
📊 JAVA
Q. _________ is used to initialize objects.
  • (A) Methods
  • (B) arguments
  • (C) constructors
  • (D) new keyword
💬 Discuss
✅ Correct Answer: (C) constructors
📊 JAVA
Q. What is the return type of Constructors?
  • (A) int
  • (B) float
  • (C) void
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (D) None of the mentioned

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