Java Online Quiz 2
10 Questions
| Total Attempts: 359
.
Questions and Answers
- 1.Which of these literals can be contained in a data type float variable ?
- A.
1.7e-308
- B.
3.4e-038
- C.
1.7e+308
- D.
3.4e-050
- 2.Which data type value is returned by all transcendental math functions ?
- A.
Int
- B.
Float
- C.
Double
- D.
Long
- 3.Which of the following coding types is used for the data type characters in Java ?
- A.
ISO-LATIN-1
- B.
UNICODE
- C.
ASCII
- D.
None of the above
- 4.Which of the following values, a boolean variable can contain ?
- A.
True and False
- B.
Any integer value
- C.
0 and 1
- D.
None of the above
- 5.Which of the following is a correct declaration of variable in Java ?
- A.
Int num
- B.
Int-num
- C.
Int num;
- D.
Int-num;
- 6.Which of the following is a correct variable initialization in Java ?
- A.
Int num = 10
- B.
Int-num = 10
- C.
Int num = 10;
- D.
Int-num = 10
- 7.What is the default value of the data type byte in Java ?
- A.
0
- B.
Null
- C.
1
- D.
None of the above
- 8.What is the default value of the data type int in Java ?
- A.
1
- B.
0
- C.
0i
- D.
None of the above
- 9.What is the default value of the data type long in Java ?
- A.
0
- B.
1
- C.
0L
- D.
10
- 10.What is the default value of the data type double in Java ?
- A.
0
- B.
1
- C.
0.0D
- D.
0.0
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