Can anyone tell what’s wrong in this code?
import java.util.*;
public class Main {
static Scanner scn = new Scanner(System.in);
public static void main(String args[]) {
int N = scn.nextInt();
if (N >= 1 && N <= 1000) {
int[] arr = new int[N];
arr = take_input(arr);
int num = scn.nextInt();
target_sum(num, arr);
}
}
public static int[] take_input(int[] array) {
int i;
for (i = 0; i < array.length; i++) {
array[i] = scn.nextInt();
}
return array;
}
public static void target_sum(int n, int[] arr) {
int i, j;
for (i = 0; i < arr.length; i++) {
for (j = 0; j < arr.length; j++) {
int tmp = arr[i] + arr[j];
int a = arr[i];
int b = arr[j];
if (tmp == n && arr[j] != -999) {
arr[j] = -999;
if (a > b) {
System.out.println(b + " and " + a);
} else {
System.out.println(a + " and " + b);
}
}
}
}
}
}