Move all zeroes to end of array

moveZero.java

// http://www.geeksforgeeks.org/move-zeroes-end-array/
// Input  : arr[] = {1, 2, 0, 0, 0, 3, 6};
// Output : arr[] = {1, 2, 3, 6, 0, 0, 0};

count = 0;

for(i=0; i<n ;i++)
{
    if(a[i]!=0)
    {
        a[count] = a[i];
        count++;
    }
}

while(count<n){
    a[count] = 0;
}