Java Language Fundamentals Questions with Answers | Programming Q&A | Page 4

Java Language Fundamentals questions with answers are essential for mastering the building blocks of Java programming. This includes topics like data types, operators, arrays, and control structures. Practicing programming questions and answers with explanations enables students to improve coding accuracy and logical reasoning. These Java MCQs are widely asked in technical interviews and online coding assessments conducted by companies like Infosys, TCS, and Capgemini. Reviewing Java aptitude questions with solutions PDF helps solidify your understanding of syntax and execution flow for placement and certification exams.

Showing 10 of 39 questions

Per page:

Q31

Which feature makes Java platform independent?

A Object-oriented nature
B Use of pointers
C Explanation: Java bytecode runs on any JVM, making it platform independent.
D Multithreading

Answer: Option C

Explanation: Java bytecode runs on any JVM, making it platform independent.

Q32

What will be the output of System.out.println(10 + 20 + "Java");?

A Java30
B 1020Java
C Explanation: Integer addition occurs before string concatenation.
D Java1020

Answer: Option C

Explanation: Integer addition occurs before string concatenation.

Q33

Which of the following is a valid array declaration?

A int arr[];
B int[] arr;
C arr int[];
D Explanation: Both array declaration styles are valid in Java.

Answer: Option D

Explanation: Both array declaration styles are valid in Java.

Q34

Which keyword refers to the current object in Java?

A Explanation: this refers to the current object instance.
B super
C current
D self

Answer: Option A

Explanation: this refers to the current object instance.

Q35

Which literal represents a long data type?

A 100
B Explanation: L suffix indicates a long literal.
C 100.0
D '100'

Answer: Option B

Explanation: L suffix indicates a long literal.

Q36

Which keyword prevents a method from being overridden?

A static
B private
C Explanation: final methods cannot be overridden.
D abstract

Answer: Option C

Explanation: final methods cannot be overridden.

Q37

Which class is commonly used to take input from the keyboard?

A System
B Explanation: Scanner is widely used for user input.
C BufferedReader
D InputStream

Answer: Option B

Explanation: Scanner is widely used for user input.

Q38

Which of the following is NOT a valid Java keyword?

A volatile
B transient
C strictfp
D Explanation: Java does not support the unsigned keyword.

Answer: Option D

Explanation: Java does not support the unsigned keyword.

Q39

Which of the following best describes Java?

A Procedure-oriented
B Platform dependent
C Explanation: Java follows object-oriented programming principles.
D Machine dependent

Answer: Option C

Explanation: Java follows object-oriented programming principles.

📚 More from Java Programming

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search

Back to Java Programming

Java - Language Fundamentals Questions and Answers

📚 More from Java Programming

Java Programming

Other Subjects

Java - Language Fundamentals Questions and Answers

📚 More from Java Programming

Java Programming

Other Subjects

Report a Problem