JAVA_Find the Index of the First Occurrence in a String_LeetCode 28

JAVA_Find the Index of the First Occurrence in a String_LeetCode 28 풀이 class Solution { public int strStr(String haystack, String needle) { return haystack.contains(needle) ? haystack.indexOf(needle) : -1; } } * 출처 Find the Index of the First Occurrence in a String - LeetCode Can you solve this real interview question?

Find the Index of the First Occurrence in a String - Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not ...