Class Solution

java.lang.Object
g1001_1100.s1002_find_common_characters.Solution

public class Solution extends java.lang.Object
1002 - Find Common Characters.

Easy

Given a string array words, return an array of all characters that show up in all strings within the words (including duplicates). You may return the answer in any order.

Example 1:

Input: words = [“bella”,“label”,“roller”]

Output: [“e”,“l”,“l”]

Example 2:

Input: words = [“cool”,“lock”,“cook”]

Output: [“c”,“o”]

Constraints:

  • 1 <= words.length <= 100
  • 1 <= words[i].length <= 100
  • words[i] consists of lowercase English letters.
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    java.util.List<java.lang.String>
    commonChars(java.lang.String[] words)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • commonChars

      public java.util.List<java.lang.String> commonChars(java.lang.String[] words)