Add interactive console menu system for data structure demonstrations

CONTRIBUTING.md

@@ -8,7 +8,7 @@ Thank you for taking the time to contribute to this project! Here are a few guid
 
 2. **Clone the repository**: Clone your forked repository to your local machine using the following command:
     ```sh
-    git clone https://github.com/your-username/java-alda.git
+    git clone https://github.com/your-username/java-dsa.git
     ```
 
 3. **Create a branch**: Create a new branch for your work using the following command:

README.md

@@ -1,4 +1,4 @@
-# Java Algorithms and Data Structures
+# Java Data Structures and Algorithms
 
 This repository contains implementations of various algorithms and data structures in Java. It is intended as a resource for learning and reference.
 
@@ -94,11 +94,11 @@ Implementation and usage of graphs.
 
 1. Clone the repository:
     ```sh
-    git clone https://github.com/bcExpt1123/java-alda.git
+    git clone https://github.com/bcExpt1123/java-dsa.git
     ```
 2. Navigate to the project directory:
     ```sh
-    cd java-alda
+    cd java-dsa
     ```
 
 ## Usage
@@ -107,11 +107,21 @@ Run code:
 ```sh
   mvn clean compile exec:java
 ```
+
 Run test:
 ```sh
   mvn test
 ```
 
+Run Check style:
+```sh
+  mvn checkstyle:check
+```
+Or
+```sh
+  mvn checkstyle:checkstyle
+```
+
 ## Contributing
 
 Contributions are welcome! Please read the [contributing guidelines](CONTRIBUTING.md) for more details.

checkstyle.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
+        "https://checkstyle.org/dtds/configuration_1_3.dtd">
+
+<module name="Checker">
+
+    <!-- Line length should be a direct child of Checker -->
+    <module name="LineLength">
+        <property name="max" value="120"/>
+    </module>
+
+    <module name="TreeWalker">
+        <module name="EmptyBlock"/>
+        <module name="LeftCurly"/>
+        <module name="RightCurly"/>
+        <module name="NeedBraces"/>
+        <module name="WhitespaceAfter"/>
+        <module name="WhitespaceAround"/>
+    </module>
+</module>

pom.xml

@@ -12,7 +12,7 @@
         <maven.compiler.source>23</maven.compiler.source>
         <maven.compiler.target>23</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <exec.mainClass>org.alda.Main</exec.mainClass>
+        <exec.mainClass>org.dsa.Main</exec.mainClass>
     </properties>
     <dependencies>
         <dependency>
@@ -28,5 +28,27 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-checkstyle-plugin</artifactId>
+                <version>3.3.0</version>
+                <executions>
+                    <execution>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <configLocation>checkstyle.xml</configLocation>
+                    <encoding>UTF-8</encoding>
+                    <consoleOutput>true</consoleOutput>
+                    <failsOnError>true</failsOnError>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>