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Decode the Coding Interview in Java: Real-World Examples

DIY: Group Anagrams

Explore how to identify and group anagrams from a list of words using Java. Understand the problem-solving steps needed to implement a function that clusters words with the same letters. This lesson helps you sharpen skills in handling string manipulation and grouping logic relevant to coding interviews.

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Problem Statement

You are given a list of words or phrases, and you need to group the words that are anagrams of each other. An anagram is a word, phrase, or sentence formed from another word by rearranging its letters.

Input

The input will be a list of words or phrases. The following is an example of input:

{"word", "sword", "drow", "rowd", "iced", "dice"}

Output

The output should be a list of grouped words. The following is an example output:

{{"word", "drow", "rowd"}, {"sword"}, {"iced", "dice"}}

Coding exercise

You need to implement the function groupAnagrams(strs), where strs is the list of words you need to group together. The function returns a list containing multiple lists of the newly created groups.

Java
class Solution {

    public static List<List<String>> groupAnagrams(String[] strs) {

        // write your code here

        return new ArrayList<List<String>>();

    }

}
Group Anagrams