xxxx

public class duplicates {

    private static int[] remove_index(int[] source_arr, int idx){
        int[] result_arr = new int[source_arr.length - 1];
        for(int i = 0, j = 0; i < source_arr.length; i++){
            if(i == idx)
                continue;
            result_arr[j++] = source_arr[i];
        }
        return result_arr;
    }

    private static int[] remove_duplicates(int[] source_arr){
        for(int i = 0; i < source_arr.length - 1; i++)
            for(int j = i + 1; j < source_arr.length; j++)
                if(source_arr[i] == source_arr[j])
                    source_arr = remove_index(source_arr, j);
        return source_arr;
    }
    public static void main(String args[]){
        int[] arr = {1,1,2,2,3,3,4,4,5,1,2,3,4,5};
        arr = remove_duplicates(arr);
        System.out.print("The new array without duplicates is \n{ ");
        for(int i = 0; i < arr.length; i++)
            System.out.print(arr[i] + " ");
        System.out.println("}");
    }
}