Question

Consider the following code segment.

int[] arr = {1, 2, 3, 4, 5, 6, 7};
for (int i = 1; i < arr.length; i += 2) {
arr[i] arr[i - 1];
}

Required:
What represents the contents of the array arr after the code segment is executed?

Answer 1

The contents of the array "arr" after the code segment is executed is [1, 1, 3, 3, 5, 5, 7].

What is an array?

An array can be defined as a set of memory locations or data structure on a computer system that comprises a single item of data with each memory location sharing the same name.

This ultimately implies that, the data (elements) contained in an array are all of the same data type such as:

• Strings

• Integers

From the source code, the array's length is equal to 7. Also, the first iteration of the loop (i = 1) produces the second index of the array and its elements are updated with the previous value.

In conclusion, the contents of the array "arr" after the code segment is executed is [1, 1, 3, 3, 5, 5, 7].

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