java june2013 paper2

7/26/2019 Java June2013 Paper2

1/6

[2

7]

In Multithreaded programming, when we create a thread object it is said to be in what

state

Choice a running

Choice b newborn

Choice c dead

Choice d blocked

[2

6]

Which o the ollowing step is in!alid or creating a package

Choice a "eclare the package in beginning o

the ile

Choice b "eine the classes to be put in the

package # declare it publicChoice c Create the listing as ja!a in the

$ubdirector% b% package menu

Choice d &'ecute this ja!a ile

[22] (he si)e o arra% in ja!a is stored in

Choice

a

*ariable length

Choiceb

*ariable len

Choice

c

Methods length

Choice

d

Method len

[2+] What is wrong in the ollowing code

abstract class print

abstract show-./0

class displa% e'tends print

0

Choice

a

1othing is wrong

Choice

b

Method show-. should ha!e a return t%pe

Choicec

Method show-. is not implemented in class displa%


2/6

Choice

d

class displa% does not contain an%thing

[3] What ke%word can protect a class in a package rom accessibilit% b% the

classes outside the package

Choice

a

pri!ate

Choice

b

protected

Choice

c

public

Choiced

deault -also without using this ke%word.

[

4]

What line numbers will cause an error when %ou compile this code

class itest

2

5 public static !oid main-$tring args[].

4

int i2/

6 i-i2.

7 $%stem8out8println-9Correct:./ 0

; else3 $%stem8out8println-9Incorrect:./ 0

+ 0

0

Choice a ,3,+

Choice b 6,3

Choice c 6

Choice d 3,+

[5] Which o the ollowing is (rue with respect to branching statements i #

switch

Choi

ce a

e!er% i statement can be written using switch

Choi

ce b

e!er% switch statement must ha!e a deault case

Choi

ce c

e!er% case must end with a break statement


3/6

Choi

ce d

e!er% case label ollows with a-?@$& with respect to !ariable in Aa!a

Choice

a

? !ariable must be declared beore it is used in the program

Choice

b

? !ariable can be used to store an% data t%pe

Choice

c

(he place o declaration decides the scope o the !ariable

Choice

d

? !ariable name must be ma'imum +

[;] What is process o con!erting one data t%pe to

another

Choice a Con!erting

Choice b Changing

Choice c "eining

Choice d Casting

characters long

[6] (o print string on the

screen we use

$%stem8out8println8 What

is the correct

e'plaination or this


4/6

Choi

ce a

$%stem is a

class8println is

a method and

out is a object

Choice b

$%stem is aBbject8out is a

object and

println is data

member

Choi

ce c

$%stem is a

package out is

a method print

is a object

Choi

ce d

$%stem is a

pointer to

object out o

class println

] Which o the

ollowing is 1B(

true with respect to

Aa!a rogram

$tructure

Choi

ce a

Comme

nts can

be

gi!en

onl% at

the

beginni

ng o

rogra

m

Choi

ce b

ackage

stateme

nt

shouldbe

beore

class

deiniti

on

Choi

ce c

Import

stateme

nt

should

be

beore


5/6

class

deiniti

on

Choi

ce d

Interac

estateme

nt

should

be

beore

class

deiniti

on

[4] Aa!a is Multithreaded

@anguage, What

$tatement best e'plainsthis eature

Choi

ce a

Aa!a

application

need not

wait or the

application

to inish

one task

beore

beginninganother

Choi

ce b

Aa!a is

capable o

d%namicall

% linking in

D class

libraries,

methods

and objects

Choice c

Aa!asupports

unctions

written in

other

languages

such as C

and CEE

Choi

ce d

Aa!a uses

less amount

o memor%

in


6/6

en!ironmen

t

[5] Which o the ollowing is 1B( one o the web

browsers

Choice a Coldja!a

Choice b 1etscape

1a!igator

Choice c Internet &'plorer

Choice d Fotja!a

[2] In BB process b% which objects o one class

acGuire the properties o objects o another

class is

Choice a Inheritance

Choice b ol%morphis

m

Choice c &ncapsulation

Choice d ?bstraction

[] In BB approach programs are di!ided into

Choice a Bbjects

Choice b Method

s

Choice c >unctio

ns

Choice d rocedu

res

java june2013 paper2

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