Who am I? Why am I hear?

Author: folkengine

.github/workflows/CI.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 18
+          java-version: 21
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
       - name: Build with Gradle

.tool-versions

@@ -0,0 +1 @@
+java openjdk-25.0.1

build.gradle

@@ -1,15 +1,17 @@
 plugins {
-    id 'java'
-    id 'com.adarshr.test-logger' version '4.0.0'
     id 'checkstyle'
+    id 'com.adarshr.test-logger' version '4.0.0'
+    id "com.github.spotbugs" version "6.0.23"
     id 'idea' // optional (to generate IntelliJ IDEA project files)
+    id 'java'
 }
 
 group = 'com.example'
 version = '1.0-SNAPSHOT'
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_18
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
 }
 
 repositories {
@@ -18,36 +20,33 @@ repositories {
 }
 
 dependencies {
-    testImplementation(platform('org.junit:junit-bom:5.11.2'))
-    testImplementation('org.junit.jupiter:junit-jupiter')
-    testImplementation ('org.junit.jupiter:junit-jupiter-params')
-    testRuntimeOnly('org.junit.platform:junit-platform-launcher')
+    testImplementation platform('org.junit:junit-bom:5.11.2')
+    testImplementation 'org.junit.jupiter:junit-jupiter'
+    testImplementation  'org.junit.jupiter:junit-jupiter-params'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+    compileOnly 'com.github.spotbugs:spotbugs-annotations:4.8.6'
+    spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.12.0'
+    testCompileOnly 'com.github.spotbugs:spotbugs-annotations:4.8.6'
 }
 
 test {
     useJUnitPlatform()
 }
 
-apply plugin: 'checkstyle'
 checkstyle {
-    toolVersion = '10.3' // Specify the Checkstyle version
-    configFile = file('config/checkstyle/checkstyle.xml') // Path to your checkstyle.xml
-
-    ignoreFailures = false
-    showViolations = true
+    toolVersion '10.18.1'
+    maxWarnings = 0
 }
 
-checkstyleMain {
-    source ='src/main/java'
-}
-
-checkstyleTest {
-    source ='src/test/java'
+configurations.checkstyle {
+    resolutionStrategy.capabilitiesResolution.withCapability("com.google.collections:google-collections") {
+        select("com.google.guava:guava:23.0")
+    }
 }
 
-tasks.withType(Checkstyle) {
+tasks.withType(Checkstyle).configureEach {
     reports {
-        xml.required.set(false)
-        html.required.set(true) // Enable HTML report
+        xml.required = false
+        html.required = true
     }
-}
+}

config/checkstyle/checkstyle.xml

@@ -271,12 +271,12 @@
                      value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
         </module>
         <module name="Indentation">
-            <property name="basicOffset" value="2"/>
-            <property name="braceAdjustment" value="2"/>
-            <property name="caseIndent" value="2"/>
-            <property name="throwsIndent" value="4"/>
+            <property name="basicOffset" value="4"/>
+            <property name="braceAdjustment" value="4"/>
+            <property name="caseIndent" value="4"/>
+            <property name="throwsIndent" value="8"/>
             <property name="lineWrappingIndentation" value="4"/>
-            <property name="arrayInitIndent" value="2"/>
+            <property name="arrayInitIndent" value="4"/>
         </module>
         <module name="AbbreviationAsWordInName">
             <property name="ignoreFinal" value="false"/>

src/main/java/com/example/Calculator.java

@@ -1,6 +1,17 @@
 package com.example;
 
+/**
+ * A simple calculator class.
+ */
 public class Calculator {
+
+    /**
+     * Adds two integers.
+     *
+     * @param a The first integer to add
+     * @param b The second integer to add
+     * @return the sum of a and b
+     */
     public int add(int a, int b) {
         return a + b;
     }

src/test/java/com/example/CalculatorTest.java

@@ -2,10 +2,18 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import org.junit.jupiter.api.*;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
 
+/**
+ * JUnit 5 Jupiter unit test of the Calculator class.
+ */
 @DisplayName("Testing Calculator class")
 public class CalculatorTest {