JAVA MCQs with answers Page - 379

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. Which keyword prevents method overriding?
  • (A) static
  • (B) final
  • (C) private
  • (D) const
💬 Discuss
✅ Correct Answer: (B) final

Explanation: final method cannot be overridden.

📊 JAVA
Q. What will be the output?
Code: 
System.out.println(Math.round(2.5));
  • (A) 2
  • (B) 3
  • (C) 2.5
  • (D) Compilation Error
💬 Discuss
✅ Correct Answer: (B) 3

Explanation: Math.round rounds to nearest integer.

📊 JAVA
Q. Which of these supports multiple inheritance?
  • (A) Class
  • (B) Interface
  • (C) Abstract class
  • (D) None
💬 Discuss
✅ Correct Answer: (B) Interface

Explanation: Interfaces support multiple inheritance.

📊 JAVA
Q. What will be the output?
Code: 
System.out.println(10 + "" + 10);
  • (A) 20
  • (B) 1010
  • (C) 101
  • (D) Compilation Error
💬 Discuss
✅ Correct Answer: (B) 1010

Explanation: String concatenation results in 1010.

📊 JAVA
Q. Which method is used to compare strings lexicographically?
  • (A) equals()
  • (B) compareTo()
  • (C) ==
  • (D) compare()
💬 Discuss
✅ Correct Answer: (B) compareTo()

Explanation: compareTo() compares lexicographically.

📊 JAVA
Q. Which keyword is used to create object?
  • (A) alloc
  • (B) new
  • (C) create
  • (D) init
💬 Discuss
✅ Correct Answer: (B) new

Explanation: 'new' keyword is used to create objects.

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