30/09/2018, 17:03

Poll: Core java Fundamentals 1.0

  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
  • A. 1, 2, 3, 4
  • B. 1, 3, 4, 5
  • C. 2, 4, 5, 6
  • D. 3, 4, 5, 6
Đỗ Trung Quân viết 19:13 ngày 30/09/2018

Answer: [spoiler]Option B

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.[/spoiler]

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