Java MCQ Questions and Answers

Operator

Value

None of These

0

0.0

0.0d

Decimal Form

Binary Form

UNICODE

&&

^

<>

++

--

All of These

==

&&

=

==

<

>

==

&&

||

a=10, b=5

a=5,b=10

1=5,b=5

10

5

None of these

classes

interfaces

editing tools

length( )

compare To ( )

equals ( )

extending two or more classes

extending one class and implementing one or more interfaces

implementing two or more interfaces

extends

abstract and extends

None of the mentioned

Compilation Error

Program will compile and run without any output

Program will compile and run to show the required output

new and delete are keywords in the Java language

try, catch, and thrown are keywords in the Java language

static, unsigned, and long are keywords in the Java language

A class must define a constructor

A constructor can return a value

A constructor must initialize all fields when a class is instantiated

class Ghost { abstract void haunt(); }

abstract class Ghost { void haunt(); }

abstract Ghost { abstract void haunt(); }

class Link { }

abstract class Link { }

native class Link { }

abstract class

parent class

None of above