Java Programming - Language Fundamentals - Discussion
Discussion Forum : Language Fundamentals - General Questions (Q.No. 1)
1.
Which four options describe the correct default values for array elements of the types indicated?
- int -> 0
- String -> "null"
- Dog -> null
- char -> '\u0000'
- float -> 0.0f
- boolean -> true
Answer: Option
Explanation:
(1), (3), (4), (5) are the correct statements.
(2) is wrong because the default value for a String (and any other object reference) is null, with no quotes.
(6) is wrong because the default value for boolean elements is false.
Discussion:
64 comments Page 6 of 7.
Piyush gadekar said:
1 decade ago
What your are tryng to admit from this program?
Dagg said:
1 decade ago
Can someone describe: System.out.println();?
Suraj said:
9 years ago
Any user-defined data type shows that null?
(4)
Kishor said:
7 years ago
Why String =null, is wrong? Please explain.
(8)
Boopalan v said:
2 decades ago
Is there any primitive data type named Dog?
Saikrishna said:
1 decade ago
How Boolean is false only? Please explain.
Soundarya said:
2 years ago
Thanks all for explaining it in detail.
(18)
Amit prajapat said:
6 years ago
@Sireesha.
\u - Unicode character.
\u - Unicode character.
(6)
Sireesha said:
9 years ago
What is that \u declared in char?
(1)
Sireesha said:
9 years ago
What is that \u declared in char?
(4)
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