题目内容

Assume int[] scores = {1, 20, 30, 40, 50}, what is the output of System.out.println(java.util.Arrays.toString(scores))?

A. [1, 20, 30, 40, 50]
B. {1 20 30 40 50}
C. [1 20 30 40 50]
D. {1, 20, 30, 40, 50}

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Assume int[] scores = {1, 20, 30, 40, 50}, what is the output of System.out.println(java.util.Arrays.toString(scores))?

A. [1, 20, 30, 40, 50] B. {1 20 30 40 50} C. [1 20 30 40 50] D. {1, 20, 30, 40, 50}

Suppose int[] numbers = new int[10], what is numbers[0]?

You can use the operator == to check whether two variables refer to the same array.

The arguments passed to the main method is an array of strings. If no argument is passed, args.length is 0.

Which correctly creates an array of five empty Strings?

A. [1, 20, 30, 40, 50]
B. {1 20 30 40 50}
C. [1 20 30 40 50]
D. {1, 20, 30, 40, 50}