Find First Palindromic String in the Array

class Solution {
    public boolean checkPalindrome(String s){
        int p1=0, p2=s.length()-1;
        while(p1<p2){
            if(s.charAt(p1)!=s.charAt(p2)){
                return false;
            }
            p1++;
            p2--;
        }
        return true;
    }
    public String firstPalindrome(String[] words) {
        for(String i:words){
            boolean flag = checkPalindrome(i);
            if(flag){
                return i;
            }
        }
        return "";
    }
}