class Test283 {
    fun moveZeroes(nums: IntArray): Unit {
        val size = nums.size;
        if (size==1) {
            return
        }
        var i = 0;
        while (i < size-1){
            if (nums[i]==0){
                var j = i+1
                while ( j < size && nums[j]==0 ){
                    j++
                }
                if (j==size){
                    return
                }
                nums[i] = nums[j]
                nums[j] = 0
            }
            i++
        }
    }

    fun test(){
        val array = intArrayOf(0,1,0,3,12)
        for (i in array){
            print(i)
            print(",")
        }
        print("\n")
        moveZeroes(array)
        for (j in array){
            print(j)
            print(",")
        }
    }
}