MCQ Questions on Fundamental of Java set-16

الأحد، 25 يناير 2015

MCQ Questions on Fundamental of Java set-16

بواسطة: 3:29 ص أضف تعليق

1) Java programs are ........ independent.

A. platform

B. procedural

C. high level

D. Secure


2) Methods having same name, same type signature are called ....... methods.

A. overriding

B. overloading

C. overwriting

D. over reading


3) When several tasks are handled by a single CPU, it is called .........

A. multitasking

B. task

C. simultaneous

D. taker


4) A Java program must contain a ....... method.

A. user defined

B. main

C. local

D. return


5) Package statement helps to create many classes to have ........ name.

A. differ

B. vanity

C. same

D. punch


6) Threads can be created by extending .......... class.

A. new

B. operator

C. thread

D. super thread


7) ........... operator is used to create an array.

A. new

B. public

C. key

D. main


8) A method without the body is called ......... method.

A. view

B. class

C. abstract

D. user defined


9) Threads can be created by implementing ......... interface.

A. new

B. create

C. main

D. runnable


10) An instance of a class is ........

A. method

B. initialize

C. declared

D. object

11) The wrapper classes are defined in ........ packages.

A. java.Lan

B. java.Lang

C. java.Nill

D. java.Math


12) What is an example of polymorphism?

A. inner class

B. anonymous classes

C. method overloading

D. method overriding


13) The variable in class is called ........ variable

A. local

B. minimum

C. instance

D. define


14) User defined exception can be created using ..........class.

A. catch

B. try

C. throwable

D. get


15) To compare the contents of two objects ........ method is used.

A. equals

B. non equals

C. multiple

D. delay


16) A special type of method that is used to initialize an object is called..........

A. constructor

B. destructor

C. modification

D. editor


17) An abnormal condition occurring in a Java program is called ......

A. error

B. viewer

C. abstract

D. exception


18) Graphics object can only be drawn on ........

A. view

B. windows

C. applet

D. zoom


19) String constants are said to be .......... of string class.

A. objects

B. char

C. data

D. variable


20) Exception that is identified during compile time is called ......... exception.

A. user defined

B. checked

C. undefined

D. defined

Answers:

1) A. platform
2) A. overriding
3) A. multitasking
4) B. main
5) C. same
6) C. thread
7) A. new
8) C. abstract
9) D. runnable
10) D. object
11) B. java.Lang
12) C. method overloading
13) C. instance
14) C. throwable
15) A. equals
16) A. constructor
17) D. exception
18) B. windows
19) A. objects
20) B. checked


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