JAVA Programming MCQ Questions Answers Download PDF

JAVA Programming Language MCQ Questions Answers Download PDF Solved Set

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1) Which of the following is not a primitive data type?

a) Boolean

b) byte

c) string

d) double

View Answer
Option – c)

2) What is the output of this program?

a)623

b) 236

c) 326

d) 362

View Answer
Option – c)

3) Is null an object?

a) Yes

b) No

c) Sometimes yes

d) None of these

View Answer
Option – b)

4) Let m be a variable of datatype byte. The value of m <<4 is same as

a) m x 24

b) 4m

c) m4

d) 4 + m

View Answer
Option – a)

5) Which of the following statement will result in compilation error?

a) signed int abc;

b) unsigned int abc;

c) signed byte abc;

d) signed long abc;

View Answer
Option – a,b,c,d)

6) Which of the following operators take (s) only integer operands?

a)%

b) ++ (post-increment)

c) ++(pre-increment)

d)none of these

View Answer
Option – d)

7) Which of the following doesn’t have a superclass?

a)System

b) Object

c) Lang

d) Exception

View Answer
Option – b)

8) Elements of an array have the same

a) index

b) vsalue

c) datatype

d) scope

View Answer
Option – c,d)

9) Constant that cannot be changed are declared using the keyword

a) final

b) static

c) absatract

d) immutable

View Answer
Option – a)

10) Which of the following can be used to copy data from one array to another?

a) System.clone

b) java.lang.toCopy

c) System.arraycopy

d)java.lang.clone

View Answer
Option – c)

11) Which of the following operator don’t always evaluate all their operator?

a) &&

b) &

c) ?:

d) I I

View Answer
Option – a,c,d)

12) How much of storage does a character (represented in Unicode) need?

a) 1 byte

b) 4 byte

c) 3 byte

d) 2 byte

View Answer
Option – d)

13) Which of the following access specifiers is usually used with used with inheritance?

a) public

b) private

c) protected

d) package

View Answer
Option – c)

14) Which of the following operators act only integer operator?

a) <<

b) >>>

c) & (bitwise AND)

d) No such operator exists in Java.

View Answer
Option – a,b,c)

15) Which of the following keywords is used to declare exceptions that can possibly occur?

a) handle

b) throws

c) checked

d) manage

View Answer
Option – b)

16) Which of the following packages needs to be important to use the StringTokenizer class

a) java.io

b) java.util

c) java.lang

d) java.net

View Answer
Option – b)

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