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Q.1
What is the size of the short datatype
16 bits
18 bits
64 bits
32 bits
None
Q.2
Which of the following is a data type that can store a number with a decimal point?
int
byte
short
double
Q.3
If a=48;find a= a++ + ++a;
45
50
98
46
Q.4
Write a java expression for the following code1/3ab + 1/2cd
1/3*a*b + 1/2*c*d
3.3*a*b + 1.5*c*d
1/3*a*b+1/2*c*d
Q.5
What is the function equals() used for?
It is used to compare two strings
It is used to compare two strings together
Q.6
It is a type of java program that can be embedded in a web.
general purpose application
standalone applications
applet
webpage
Q.7
State True or False:This is a correct initialization of a variable.int myTemperature = 98.2;
True
False
Q.8
The smallest meaningful element of Java is called a/an
Identifier
Token
Variable
Keyword
Q.9
Java was developed in January _________ by a team of Sun Microsystems.
1995
1996
1985
1986
Q.10
______________ is known as the Father of the Java Language.
James Gosling
James
Q.11
State True or False:Java is case sensitive?
True
False
Q.12
State True or False: In Java single-line comments begins with ** and ends with //
True
False
Q.13
A variable that holds a whole number
String
float
int
char
Q.14
Int a[]=new int [5]; a[0]=a[1]=a[2]=a[3]=a[4]=System.out.println(a[2+1]);
78
15
12
19
Q.15
Int a[] ={2,4,6,8,10};a[0]=23;a[3]=a[1];int c= a[0]+a[1];System.out.println("Sum = "+c);
6
25
24
27
Q.16
Char m[] = {'R', 'A', 'J', 'E', 'N', 'D', 'R', 'A' };?
m.size of (a)
m.elements of (m)
m.length
m.length()
Q.17
The elements of array[are numbered:
from 1 to 50
from 0 to 49
from 1 to 51
none
Q.18
An array element can be accessed through:
dots
element number
index number
none
Q.19
A dimensional array is also known as:
subscripted variable
actual variable
compound variable
none
Q.20
Cell numbers of a dimensional array are also known as:
packets
blocks
subscripts
superscript
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