improved problem solving

import java.util.*;

class Main {
    public static void main(String[] args) {
        char[] array1 = {'a','b','c','x'};
        char[] array2 = {'z','y','x'};
        boolean answer = containsValue(array1, array2);
        System.out.println(answer);
    }
    
    public static boolean containsValue(char[] arr1, char[] arr2) {
        if (arr1.length > arr2.length) {
            HashMap<Character,Integer> map = new HashMap<>();
            
            for (char c : arr1)
                map.put(c, 1);
                
            for (char c : arr2)
                if (map.containsKey(c))
                    return true;
        }
        return false;
    }
    
}