cc 150 1.3

cc 150 1.3

public class Solution {
	public static boolean isPermutaion(String s1, String s2) {
		if(s1.length() != s2.length()){
			return false;
		}
		
		int[] charactor = new int[256];
		char[] array1 = s1.toCharArray();
		char[] array2 = s2.toCharArray();
		for(int i = 0; i<s1.length(); i++){
			int index = array1[i];
			charactor[index]++;
		}
		
		for(int i = 0; i<s2.length(); i++){
			int index = array2[i];
			charactor[index]--;
		}
		for(int i : charactor){
			if(i!=0){
				return false;
			}
		}
		return true;
		

	}
	public static void main(String[] args){

		System.out.print(Solution.isPermutaion("colin","cloin"));
	
	}
}