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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.

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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);

a.

0

b.

4

c.

255

d.

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?

a.

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

b.

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

c.

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

d.

None of the above

Discuss
Answer: (b).That big number is Modulo Divided by the target data type highest possible number say 2แดบ and the Remainder is taken.
Q273.
What is the output of the Java code snippet? 
short a = (short)65540;
System.out.println(a);

a.

0

b.

4

c.

65536

d.

65540

Discuss
Answer: (b).4
Q274.
A boolean literal in Java can be type casted to which data type?

a.

byte

b.

short

c.

int

d.

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?

a.

int

b.

long

c.

float

d.

double

Discuss
Answer: (b).long
Q276.
An Array in Java is a collection of elements of ___ data type.

a.

Same

b.

Different

c.

heterogeneous

d.

None of the above

Discuss
Answer: (a).Same
Q277.
The Java Virtual Machine (JVM) implements arrays as ___ type.

a.

Primitive

b.

Object

c.

Class

d.

None of the above

Discuss
Answer: (b).Object
Q278.
Unlike C-Arrays, the Java-Arrays have ___.

a.

Names

b.

Values

c.

Methods and Fields

d.

None of the above

Discuss
Answer: (c).Methods and Fields
Q279.
An array declaration in Java without initialization ___ memory.

a.

Does not allocate

b.

Allocates memory

c.

Depends on Compiler

d.

None of the above

Discuss
Answer: (a).Does not allocate
Q280.
In Java language, an array index starts with ___.

a.

-1

b.

0

c.

1

d.

Any integer

Discuss
Answer: (b).0
Page 28 of 32

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