Package 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.<p>Easy</p> <p>Given a string array <code>words</code>, return <em>an array of all characters that show up in all strings within the</em> <code>words</code> <em>(including duplicates)</em>. You may return the answer in <strong>any order</strong>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> words = [&ldquo;bella&rdquo;,&ldquo;label&rdquo;,&ldquo;roller&rdquo;]</p> <p><strong>Output:</strong> [&ldquo;e&rdquo;,&ldquo;l&rdquo;,&ldquo;l&rdquo;]</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> words = [&ldquo;cool&rdquo;,&ldquo;lock&rdquo;,&ldquo;cook&rdquo;]</p> <p><strong>Output:</strong> [&ldquo;c&rdquo;,&ldquo;o&rdquo;]</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= words.length <= 100</code></li> <li><code>1 <= words[i].length <= 100</code></li> <li><code>words[i]</code> consists of lowercase English letters.</li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	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 Details

Solution

public Solution()

Method Details

commonChars

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