# Java Coding Problems

## Chapter 1: Strings, Numbers, and Math

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### Problem Statement : Counting Duplicate Characters

Write a program that counts duplicate characters from a given `String`.

### Sample Input 1

```
"aabcc"
```

### Sample Output 1

```
{a=2, b=1, c=2}
```

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* [Source Code](src/main/java/io/github/dbc/DuplicateCharactersCounter.java)
* [Main Class](src/main/java/io/github/dbc/Main.java)
* [Test Class](src/test/java/io/github/dbc/DuplicateCharactersCounterTest.java)

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> Question taken from the book
> ["Java Coding Problems"](https://www.packtpub.com/product/java-coding-problems/9781789801415) by Anghel Leonard.  
> Formatted and uploaded by [dbc2201](https://github.com/dbc2201)