Class Solution

CountTheNumberOfConsistentStrings.java:1–23

class Solution {
    public int countConsistentStrings(String allowed, String[] words) {
        int counter=0;
        HashSet<Character> set = new HashSet<Character>();
        for(int i=0;i<allowed.length();i++)
        {
            set.add(allowed.charAt(i));
        }
        for(String str: words)
        {
            boolean flag=true;
            for(int i=0;i<str.length();i++)
            {
                if(!set.contains(str.charAt(i)))
                {
                    flag=false;
                }
            }
            if(flag) counter++;
        }
        return counter;
    }
}