Welcome to the Data Types,Variables and Arrays MCQs Page

Dive deep into the fascinating world of Data Types,Variables and Arrays with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Types,Variables and Arrays, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Types,Variables and Arrays, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

Check out the MCQs below to embark on an enriching journey through Data Types,Variables and Arrays. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Types,Variables and Arrays. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Types,Variables and Arrays MCQs | Page 28 of 32

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Q271.

What is the output of the Java code snippet?

int a = 260;
byte b= (byte)a;
System.out.println(b);

255

260

Discuss

Answer: (b).4

Q272.

In a lossy Type Casting or Type Conversion, how is the number truncated to the target data type in Java?

That big number is divided by the target data type highest possible number say 2ᴺ.

That big number is Modulo Divided by the target data type highest possible number say 2ᴺ and the Remainder is taken.

That big number is Modulo Divided by the target data type highest possible number say 2ᴺ and the Quotientis taken.

None of the above

Discuss

Answer: (b).That big number is Modulo Divided by the target data type highest possible number say 2ᴺ and the Remainder is taken.

Q273.

What is the output of the Java code snippet?

short a = (short)65540;
System.out.println(a);

65536

65540

Discuss

Answer: (b).4

Q274.

A boolean literal in Java can be type casted to which data type?

byte

short

int

None of the above

Discuss

Answer: (d).None of the above

Q275.

If a variable or operand in an expression is type long, then all the operands are type promoted to which data type?

int

long

float

double

Discuss

Answer: (b).long

Q276.

An Array in Java is a collection of elements of ___ data type.

Same

Different

heterogeneous

None of the above

Discuss

Answer: (a).Same

Q277.

The Java Virtual Machine (JVM) implements arrays as ___ type.

Primitive

Object

Class

None of the above

Discuss

Answer: (b).Object

Q278.

Unlike C-Arrays, the Java-Arrays have ___.

Names

Values

Methods and Fields

None of the above

Discuss

Answer: (c).Methods and Fields

Q279.

An array declaration in Java without initialization ___ memory.

Does not allocate

Allocates memory

Depends on Compiler

None of the above

Discuss

Answer: (a).Does not allocate

Q280.

In Java language, an array index starts with ___.

-1

Any integer

Discuss

Answer: (b).0

Page 28 of 32

Welcome to the Data Types,Variables and Arrays MCQs Page

Data Types,Variables and Arrays MCQs | Page 28 of 32

Explore more Topics under Java Programming

Language Fundamentals

Operators and Control Statements

Classes and Methods

Inheritance

String Handling

java lang and java io

Serialization and Networking

java util

Exception Handling in Java

Multithreading

IO and Applets

Event Handling

Interfaces and Packages

Session Management,JSP and Servlet

Miscellaneous Topics in Java

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