Question

Use the new form of the for-loop to write a method that counts how many times a certain target appears in an integer array.

Answer 1

To count the occurrences of a target value in an integer array, use the enhanced for-loop in Java. This loop iterates over each element, compares it with the target, and increments a count variable upon a match.

Step-by-step explanation:

The new form of the for-loop, often referred to as the enhanced for-loop or for-each loop, is used in Java to iterate over arrays or collections. To write a method that counts how many times a certain target value appears in an integer array, you would use this form of loop to go through each element of the array and compare it with the target value.

Example Method to Count Target Occurrence

public static int countOccurrences(int[] array, int target) {
int count = 0;
for (int number : array) {
if (number == target) {
count++;
}
}
return count;
}

This function takes an integer array array and the target integer to find, and returns the number of times the target appears in the array. The count variable is initialized to zero and is incremented whenever the current element in the array matches the target.