[#8] SLF4J base logging added.

[#4] Toolchain removed.

Author: DjThunder

pom.xml

@@ -87,20 +87,14 @@
                 <updatePolicy>always</updatePolicy>
             </snapshots>
         </pluginRepository>
-        <pluginRepository>
-            <id>checkstyle-backport-jre8-maven</id>
-            <name>checkstyle-backport-jre8-maven</name>
-            <url>http://rnveach.github.io/checkstyle-backport-jre8/maven2</url>
-        </pluginRepository>
     </pluginRepositories>
     <properties>
+        <maven-minimum.version>3.0</maven-minimum.version>
         <b3dgs.version>2.0.0-SNAPSHOT</b3dgs.version>
-        <sonar-branch>b3dgs</sonar-branch>
-        <radial.base-package>com.b3dgs</radial.base-package>
         <jdk.version>1.8</jdk.version>
-        <jdk-toolchain.version>8</jdk-toolchain.version>
-        <maven-minimum.version>3.0</maven-minimum.version>
+        <jdk-release.version>8</jdk-release.version>
         <encoding.type>UTF-8</encoding.type>
+        <slf4j.version>2.0.9</slf4j.version>
         <jna.version>5.0.0</jna.version>
         <tycho.version>4.0.4</tycho.version>
         <junit.version>5.10.1</junit.version>
@@ -130,15 +124,27 @@
         <maven-enforcer-plugin.version>3.4.1</maven-enforcer-plugin.version>
         <sonar-maven-plugin.version>3.10.0.2594</sonar-maven-plugin.version>
         <radial-encapsulation-maven-plugin.version>1.0.1</radial-encapsulation-maven-plugin.version>
-        <maven.compiler.source>${jdk.version}</maven.compiler.source>
-        <maven.compiler.target>${jdk.version}</maven.compiler.target>
+        <maven.compiler.release>${jdk-release.version}</maven.compiler.release>
         <maven.resources.overwrite>false</maven.resources.overwrite>
         <buildtools-project>b3dgs-parent</buildtools-project>
+        <sonar-branch>b3dgs</sonar-branch>
+        <radial.base-package>com.b3dgs</radial.base-package>
         <working.dir>${project.basedir}</working.dir>
         <project.build.sourceEncoding>${encoding.type}</project.build.sourceEncoding>
         <project.reporting.outputEncoding>${encoding.type}</project.reporting.outputEncoding>
     </properties>
     <dependencies>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>${slf4j.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
@@ -226,33 +232,13 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>${maven-compiler.version}</version>
                     <configuration>
-                        <source>${jdk.version}</source>
-                        <target>${jdk.version}</target>
+                        <release>${jdk-release.version}</release>
                         <encoding>${encoding.type}</encoding>
                         <showDeprecation>true</showDeprecation>
                         <showWarnings>true</showWarnings>
                         <fork>true</fork>
                     </configuration>
                 </plugin>
-                <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-toolchains-plugin</artifactId>
-                    <version>${maven-toolchains.version}</version>
-                    <executions>
-                        <execution>
-                            <goals>
-                                <goal>toolchain</goal>
-                            </goals>
-                        </execution>
-                    </executions>
-                    <configuration>
-                        <toolchains>
-                            <jdk>
-                                <version>${jdk-toolchain.version}</version>
-                            </jdk>
-                        </toolchains>
-                    </configuration>
-                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-site-plugin</artifactId>
@@ -327,7 +313,7 @@
                     <dependencies>
                         <dependency>
                             <groupId>com.puppycrawl.tools</groupId>
-                            <artifactId>checkstyle-backport-jre8</artifactId>
+                            <artifactId>checkstyle</artifactId>
                             <version>${checkstyle.version}</version>
                         </dependency>
                         <dependency>