java.lang.Object
g2101_2200.s2185_counting_words_with_a_given_prefix.Solution

public class Solution extends Object
2185 - Counting Words With a Given Prefix\. Easy You are given an array of strings `words` and a string `pref`. Return _the number of strings in_ `words` _that contain_ `pref` _as a **prefix**_. A **prefix** of a string `s` is any leading contiguous substring of `s`. **Example 1:** **Input:** words = ["pay","**at**tention","practice","**at**tend"], `pref` \= "at" **Output:** 2 **Explanation:** The 2 strings that contain "at" as a prefix are: "**at**tention" and "**at**tend". **Example 2:** **Input:** words = ["leetcode","win","loops","success"], `pref` \= "code" **Output:** 0 **Explanation:** There are no strings that contain "code" as a prefix. **Constraints:** * `1 <= words.length <= 100` * `1 <= words[i].length, pref.length <= 100` * `words[i]` and `pref` consist of lowercase English letters.
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • prefixCount

      public int prefixCount(String[] words, String pref)