392. Is Subsequence

class Solution {
    public boolean isSubsequence(String s, String t) {
        int startIndex = 0;
        for(int i = 0; i<s.length(); i++){
            char c=s.charAt(i);
            boolean foundChar=false;
            for(int j=startIndex; j<t.length(); j++){
                if(c==t.charAt(j)){
                    startIndex=j+1;
                    foundChar=true;
                    break;
                }
            }
            if (!foundChar) return false;
        }
        return true;
    }
}