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 26 of 32

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Q251.

Choose the wrong Java code statement below.

boolean a = false;

boolean a = (5>6)||(4>3);

boolean a = 1;

boolean a = 4>3?true:false;

Discuss

Answer: (c).boolean a = 1;

Q252.

Choose the wrong representation of a character literal in Octal notation in Java.

char ch='\65';

char ch='\142';

char ch='\065';

char ch='142';

Discuss

Answer: (d).char ch='142';

Q253.

A Unicode character literal in Java is surrounded by a pair of ___?

Single Quotes

Double Quotes

Exclamations

Backslashes

Discuss

Answer: (a).Single Quotes

Q254.

What is the default boolean literal assigned to a boolean variable in Java?

true

false

undefined

None of the above

Discuss

Answer: (b).false

Q255.

What is the default character literal value assigned to a char variable in Java?

'a'

'0'

'\u0000'

Discuss

Answer: (c).'\u0000'

Q256.

What are the Type Conversions available in Java language?

Narrowing Type Conversion

Widening Type Conversion

both a and b

None of the above

Discuss

Answer: (c).both a and b

Q257.

What is a higher data type in Java language?

A data type which holds more data than other data types

A data type whose size is more than other data types

A data type which can hold more precision digits than other data types

All of the above

Discuss

Answer: (d).All of the above

Q258.

What is a Widening Type Conversion in Java?

Conversion of data from higher data type to lower data type

Conversion of data from lower data type to higher data type

Conversion of data from any data type to any data type

None of the above

Discuss

Answer: (b).Conversion of data from lower data type to higher data type

Q259.

What is a Narrowing Type Conversion in Java?

Conversion of data from lower data type to higher data type

Conversion data from a higher data type to a lower data type

Conversion of data from any data type to any data type

None of the above

Discuss

Answer: (b).Conversion data from a higher data type to a lower data type

Q260.

What is the result of a Narrowing type conversion?

Loss of data

Addition of data

Corruption of data

None of the above

Discuss

Answer: (a).Loss of data

Page 26 of 32

Welcome to the Data Types,Variables and Arrays MCQs Page

Data Types,Variables and Arrays MCQs | Page 26 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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