Java mcq questions with answer – Set 4

Important Instructions:

• Total Number Of Questions : 10
• Passing Marks : 7
• Each Question Carry 1 Mark, No Negative Marking.
• Do Not Refresh The Page.
• This Is A FREE Online Test, DO NOT Pay Money To Anyone To Attend This Test.
• Best Of Luck…

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#1. Which of these keywords can be used to prevent Method overriding in Java?

final

final

protected

protected

static

static

constant

constant

#2. Which of these packages contains the exception Stack Overflow in Java?

java.io

java.io

java.system

java.system

java.lang

java.lang

java.util

java.util

#3. Which of these keywords are used for the block to be examined for exceptions?

check

check

throw

throw

catch

catch

try

try

#4. Which one of the following is not an access modifier?

Protected

Protected

Void

Void

Public

Public

Private

Private

#5. What will be the output of the above Java program?

1 2 5 8

1 2 5 8

2 1 8 5

2 1 8 5

1 5 8 2

1 5 8 2

2 8 5 1

2 8 5 1

#6. What will be the output of the above Java code snippet?

[A, D, C]

[A, D, C]

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[A, B, C]

[A, B, C]

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[A, B, C, D]

[A, B, C, D]

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[A, D, B, C]

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[A, D, B, C]

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#7. What is the numerical range of a char data type in Java?

0 to 256

0 to 256

-128 to 127

-128 to 127

0 to 65535

0 to 65535

0 to 32767

0 to 32767

#8. Which class provides system independent server side implementation?

Server

Server

ServerReader

ServerReader

Socket

Socket

ServerSocket

ServerSocket

#9. Which of the following is true about servlets?

Servlets can use the full functionality of the Java class libraries

Servlets can use the full functionality of the Java class libraries

Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries

Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries

Servlets execute within the address space of web server

Servlets execute within the address space of web server

Servlets are platform-independent because they are written in java

Servlets are platform-independent because they are written in java

#10. What will be the output of the above Java code?

truetrue

truetrue

falsefalse

falsefalse

true

true

false

false

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