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@durgaswaroop
Created January 6, 2018 17:38
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Remove duplicate elements from an array
/* Remove duplicate elements from an array */
// Code inside the method is presented here
int[] numbers = {1, -2, 3, 1, 0, 9, 5, 6, 4, 5};
System.out.println("Input array: " + Arrays.toString(numbers));
Arrays.sort(numbers);
int j = 0; // Slow moving index
// i is the fast moving index that loops through the entire array
for (int i = 1; i < numbers.length; i++) {
if (numbers[i] != numbers[j]) {
j++;
numbers[j] = numbers[i];
}
}
int[] result = Arrays.copyOf(numbers, j + 1);
System.out.println("Final result after removing duplicates: " + Arrays.toString(result));
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