题目内容

How can you get the word "abc" in the main method from the following call?java Test "+" 3 "abc" 2

A. args[0]
B. args[3]
C. args[1]
D. args[2]

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An array variable can be declared and redeclared in the same block.

A. true
B. false

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Assume int[] scores = {1, 20, 30, 40, 50}, what value does java.util.Arrays.binarySearch(scores, 3) return?

A. 2
B. -1
C. 1
D. -2

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Assume int[] scores = {1, 20, 30, 40, 50}, what value does java.util.Arrays.binarySearch(scores, 30) return?

A. 1
B. -2
C. 0
D. 2

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Analyze the following code: public class Test { public static void main(String[] args) { int[] x = new int[5]; int i;for (i = 0; i < x.length; i++)x[i] = i;System.out.println(x[i]);} }

A. The program displays 4.
B. The program has a runtime error because the last statement in the main method causes ArrayIndexOutOfBoundsException.
C. The program displays 0 1 2 3 4.
D. The program has a compile error because i is not defined in the last statement in the main methoD.

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How can you get the word "abc" in the main method from the following call?java Test "+" 3 "abc" 2

A. args[0] B. args[3] C. args[1] D. args[2]

An array variable can be declared and redeclared in the same block.

Assume int[] scores = {1, 20, 30, 40, 50}, what value does java.util.Arrays.binarySearch(scores, 3) return?

Assume int[] scores = {1, 20, 30, 40, 50}, what value does java.util.Arrays.binarySearch(scores, 30) return?

Analyze the following code: public class Test { public static void main(String[] args) { int[] x = new int[5]; int i;for (i = 0; i < x.length; i++)x[i] = i;System.out.println(x[i]);} }

A. args[0]
B. args[3]
C. args[1]
D. args[2]