Why don't we try indexOf() in Java


  • 0
    K

    A 6ms solution.

    public class Solution {
        public int strStr(String haystack, String needle) {
            if(haystack == null || needle == null){
                return -1;
            }
            if(haystack.length() < needle.length()){
                return -1;
            } 
            return haystack.indexOf(needle);  
        }
    }
    

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