Moving_zeroes_to_the_end.java

import java.io.*;

class PushZero
{
	
	static void pushZerosToEnd(int arr[], int n)
	{
		int count = 0;
		for (int i = 0; i < n; i++)
			if (arr[i] != 0)
				arr[count++] = arr[i]; 
		while (count < n)
			arr[count++] = 0;
	}


	public static void main (String[] args)
	{
		int arr[] = {1, 9, 8, 4, 0, 0, 2, 7, 0, 6, 0, 9};
		int n = arr.length;
		pushZerosToEnd(arr, n);
		System.out.println("Array after pushing zeros to the back: ");
		for (int i=0; i<n; i++)
			System.out.print(arr[i]+" ");
	}
}