Programmers [Java] - Lv. 0 : 접두사인지 확인하기

import java.util.ArrayList;

class Solution
{
    public int solution(String my_string, String is_prefix)
	{
		int result = 0;
		ArrayList<String> addPreList = new ArrayList<String>();
		
		for (int i = 1; i <= my_string.length(); i++)
			addPreList.add(my_string.substring(0, i));
		
		for (int i = 0; i < addPreList.size(); i++)
		{
			if (addPreList.get(i).equals(is_prefix))
				result = 1;
		}
		
		return result;
	}
    
}