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WorksheetsQuiz for Jul 20_Connect
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
Which of the following functions will you choose to join two Strings?
a)
split()
b)
replace()
c)
substring()
d)
concat()
2.
Predict the output:
a)
javaissimple
b)
compilation error at line1
c)
compilation error at line2
d)
None of the above
3.
Predict the output:
a)
avaJ
b)
Java
4.
Predict the output:
a)
5
b)
10
5.
Predict the output:
a)
11
b)
10
c)
9
d)
8
6.
Predict the output:
a)
10
b)
25
c)
Error - cannot modify the final variable x.
d)
0
7.
Predict the output:
a)
01234
b)
43210
c)
Infinite loop
d)
12345
8.
Predict the output:
a)
LOCKDOWN
b)
true
c)
false
d)
None of the above
9.
Which of the following are Java keywords?
1. boolean
2. goto
3. enum
a)
1
b)
1 & 2
c)
1 & 3
d)
1 & 2 & 3
10.
What is the size of char datatype in Java?
a)
1 Byte
b)
2 Bytes
c)
4 Bytes
d)
1 bit
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