题目内容

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

A. 10.
B. null
C. 0
D. undefineD.

查看答案

搜索结果不匹配？点我反馈

更多问题

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

A. false
B. true

查看答案

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

A. true
B. false

查看答案

Which correctly creates an array of five empty Strings?

A. String[ ] a = new String [5]; for (int i = 0; i < 5; a[i++] = null);
B. String[] a = new String [5];
C. String[] a = {"", "", "", "", ""};
D. String[5] a;

查看答案

Analyze the following code. public class Test {public static void main(String[] args) {int[] x = new int[3];System.out.println("x[0] is " + x[0]);} }

A. The program has a runtime error because the array element x[0] is not defineD.
B. The program runs fine and displays x[0] is 0.
C. The program has a compile error because the size of the array wasn't specified when declaring the array.
D. The program has a runtime error because the array elements are not initializeD.

查看答案

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

A. 10. B. null C. 0 D. undefineD.

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?

Analyze the following code. public class Test {public static void main(String[] args) {int[] x = new int[3];System.out.println("x[0] is " + x[0]);} }

A. 10.
B. null
C. 0
D. undefineD.