Java Quiz

JAVA Quiz

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Start

Congratulations - you have completed JAVA Quiz.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%

JAVA Quiz Results

Name
FirstLast
Email
mTouch Quiz Populated Fields
mTouch Quiz will automatically populate the fields below. Feel Free to add additional fields for the Quiz Taker to complete using the "Add Fields" options to the right.
Quiz Name
The name of the quiz
Results Summary
Score
The number of correct answers. This has the same value as the %%SCORE%% Variable on the Final Screen.
Total Questions
The total number of questions. This has the same value as the %%TOTAL%% Variable on the Final Screen.
Percentage
Correct answer percentage. This has the same value as the %%PERCENTAGE%% Variable on the Final Screen.
Wrong Answers
Number of wrong answers. This has the same value as the %%WRONG_ANSWERS%% Variable on the Final Screen.
Time Allowed (Seconds)
Time allowed (Requires timer add on). This has the same value as the %%TIME_ALLOWED%% Variable on the Final Screen.
Time Used (Seconds)
Time used (Requires timer add on). This has the same value as the %%TIME_USED%% Variable on the Final Screen.

Your answers are highlighted below.

Question 1

Which class can access all public and protected methods and fields of its super class?

A	Inner class
B	outer class
C	sub-class
D	Super class

Question 2

Method,Field can be accessed from the same class to which they belong.

A	Public
B	Protected
C	Default
D	Private

Question 3

In java, float takes _________ bytes in memory.

A	8
B	4
C	2
D	16

Question 4

What will be the output of following piece of code? ? public class operatorExample { public static void main(String args[]) { int x=4; System.out.println(x++); } }

A	output=0
B	output=6
C	output=5
D	output=4

Question 5

Can variables be used in Java without initialization?

A	NO
B	YES

Question 6

Can a class in java be inherited from more than one class?

A	YES
B	NO

Question 7

What will be the output of Round(3.7).

A	4
B	3.7
C	3
D	0

Question 8

Does Java supports goto?

A	NO
B	YES

Question 9

In JAVA can a dead thread be started again?

A	YES
B	NO

Question 10

Is JDK required on each machine to run a Java program?

A	YES
B	NO

Question 11

Which tool is required on each machine to run a Java program?

A	JDK
B	SDK
C	JRE
D	CVS

Question 12

Is it possible to define a method in Java class but provide it’s implementation in the code of another language like C?

A	NO
B	YES

Question 13

Can a variable be local and static at the same time?

A	NO
B	YES

Question 14

Can we have any other return type than void for main method in java class?

A	YES
B	NO

Question 15

Which method of the Runnable interface that must be implemented by all threads?

A	Run()
B	Start()
C	Sleep()
D	Wait()

Question 16

Which Keyword is used If a class has multiple constructors defined,it's possible to call a constructor from another constructor’s body?

A	super()
B	constant()
C	this()

Question 17

Can we compare string and stringBuffer in Java?

A	YES
B	NO

Question 18

Can we cast any other type to boolean type with type casting?

A	YES
B	NO

Question 19

Base class for all exceptions

A	Java.throwable
B	Java.Lang.throwable
C	Java.Lang.Exception
D	Java.Lang.throwables

Question 20

Environment variable that stores the location of bin folder

A	PATH
B	CLASSPATH
C	PATHS
D	BIN

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 20 questions to complete.

←

List

→

Return

Shaded items are complete.

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	18	19	20
End

Return

Java Quiz

JAVA Quiz

JAVA Quiz Results

mTouch Quiz Populated Fields