Move Zeros to First Position array java programme

 import java.util.Arrays;

public class ZerosToFirstPosition {

   public static void bringZerosToLastPosition(int[] a){
    //We need to add current at last position of index.
    int current= 0;

    //we need to reverse iterate
    for(int i= 0;i<a.length;i++){
        if (a[i] != 0) {
            a[current] = a[i];
            current++;
        }
    }

    while (current <= a.length-1) {
        a[current] = 0;
        current++;
    }

    System.out.println(Arrays.toString(a));
}

    public static void bringZerosToFirstPosition(int[] a){
        //We need to add current at last position of index.
        int current= a.length-1;

        //we need to reverse iterate
        for(int i= a.length-1;i>=0;i--){
            if (a[i] != 0) {
                a[current] = a[i];
                current--;
            }
        }

        while (current >= 0) {
            a[current] = 0;
            current--;
        }

        System.out.println(Arrays.toString(a));
    }

    public static void main(String[] args) {

        int[] array = {1, 2, 0};
        bringZerosToFirstPosition(array);
    }
}