The function is an illustration of loops
Loops are used to perform repetitive operations
The function in Java where comments are used to explain each line is as follows:
//This defines the remove_duplicates function
public static int remove_duplicates(int arr[], int n){
//If the length of the array is 0 or 1, then return the original array
if (n == 0 || n == 1) {
return n;
}
//This creates a new array
int[] newArr = new int[n];
//This initializes the index of the array to 0
int ind = 0;
//This iterates through the original array
for (int i = 0; i < n - 1; i++) {
//The following loop populates the new array with the unique elements of the original array
if (arr[i] != arr[i + 1]) {
newArr[ind++] = arr[i];
}
}
newArr[ind++] = arr[n - 1];
// The following loop changes the original array
for (int i = 0; i < ind; i++) {
arr[i] = newArr[i];
}
return ind;
}
At the end of the function, the duplicate elements of the array are removed
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