g1001_1100.s1002_find_common_characters

Class Solution

java.lang.Object

g1001_1100.s1002_find_common_characters.Solution

public class Solution
extends 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 and Description
Solution()

Method Summary

Modifier and Type	Method and Description
List<String>	commonChars(String[] words)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

commonChars

public List<String> commonChars(String[] words)