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Core Java(Computer Science ) Questions and Answers
Home
Topic
Computer Science
Core Java
Question 1.
Which of the following are not Java keywords ?
double
switch
then
instanceof
Explanation:-
Answer: Option C. ->
then
Question 2.
Select TWO correct ways of including (importing) package in our program?
Option A & C
Option A & D
Option B & D
Option B & C
Explanation:-
Answer: Option C. ->
Option B & D
Question 3.
What will be the output of the following Java program?
true
false
Explanation:-
Answer: Option A. ->
true
Question 4.
What will be the output of the following Java program?
i i i i i
0 1 2 3 4
i j k l m
None of the mentioned
Explanation:-
Answer: Option A. ->
i i i i i
Question 5.
What will be the output of the following Java code?
25
24
32
33
Explanation:-
Answer: Option C. ->
32
Question 6.
Java was developed in which year
1992
1993
1994
1995
Explanation:-
Answer: Option D. ->
1995
Question 7.
JRE stands for
Java Run Environment
Java Run Execution
Java Runtime Environment
Java Ready Execution
Explanation:-
Answer: Option C. ->
Java Runtime Environment
Question 8.
Command to run a Java program
javaa
java
jaava
jaavaa
Explanation:-
Answer: Option B. ->
java
Question 9.
JDK stands for
Java Developer Kit
Java Development Kit
Java Design Kit
Java Debugging Kit
Explanation:-
Answer: Option B. ->
Java Development Kit
Question 10.
Java Programming was designed by ______
Sun MicroSystems
Mozilla Corporation
Microsoft
Amazon Inc.
Explanation:-
Answer: Option A. ->
Sun MicroSystems
1
2
3
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