Add example scala project

build.gradle.kts

@@ -48,9 +48,15 @@ allprojects {
       trimTrailingWhitespace()
       endWithNewline()
     }
+    // https://github.com/diffplug/spotless/tree/main/plugin-gradle#scala
+    scala {
+      scalafmt().configFile("$rootDir/scalafmt.conf")
+      trimTrailingWhitespace()
+      endWithNewline()
+    }
   }
 
-  // TODO Kotlin alternative?
+  // TODO Kotlin/Scala alternative?
   apply(plugin = "checkstyle")
   configure<CheckstyleExtension> {
     toolVersion = "10.12.0"

example-java/src/integrationTest/java/com/willmolloy/HelloWorldIntegrationTest.java → example-java/src/integrationTest/java/com/willmolloy/HelloJavaIntegrationTest.java

@@ -5,14 +5,14 @@
 import org.junit.jupiter.api.Test;
 
 /**
- * Integration tests for {@link HelloWorld}.
+ * Integration tests for {@link HelloJava}.
  *
  * @author <a href=https://willmolloy.com>Will Molloy</a>
  */
-class HelloWorldIntegrationTest {
+class HelloJavaIntegrationTest {
 
   @Test
   void test_hello() {
-    assertThat(new HelloWorld().hello("world")).isEqualTo("Hello world!");
+    assertThat(new HelloJava().hello("world")).isEqualTo("Hello world!");
   }
 }

example-java/src/main/java/com/willmolloy/HelloWorld.java → example-java/src/main/java/com/willmolloy/HelloJava.java

@@ -8,7 +8,7 @@
  *
  * @author <a href=https://willmolloy.com>Will Molloy</a>
  */
-class HelloWorld {
+class HelloJava {
   private static final Logger log = LogManager.getLogger();
 
   String hello(String text) {

example-java/src/test/java/com/willmolloy/HelloWorldTest.java → example-java/src/test/java/com/willmolloy/HelloJavaTest.java

@@ -5,14 +5,14 @@
 import org.junit.jupiter.api.Test;
 
 /**
- * Unit tests for {@link HelloWorld}.
+ * Unit tests for {@link HelloJava}.
  *
  * @author <a href=https://willmolloy.com>Will Molloy</a>
  */
-class HelloWorldTest {
+class HelloJavaTest {
 
   @Test
   void test_hello() {
-    assertThat(new HelloWorld().hello("world")).isEqualTo("Hello world!");
+    assertThat(new HelloJava().hello("world")).isEqualTo("Hello world!");
   }
 }

example-kotlin/build.gradle.kts

@@ -5,3 +5,8 @@ plugins {
 kotlin {
   jvmToolchain(21)
 }
+
+// TODO disabling on Kotlin/Scala atm... too many false positives
+spotbugs {
+  ignoreFailures.set(true)
+}

example-kotlin/src/main/kotlin/com/willmolloy/HelloWorld.kt → example-kotlin/src/main/kotlin/com/willmolloy/HelloKotlin.kt

@@ -5,9 +5,7 @@ package com.willmolloy
  *
  * @author <a href=https://willmolloy.com>Will Molloy</a>
  */
-class HelloWorld {
+object HelloKotlin {
 
-  fun hello(text: String): String {
-    return "Hello $text!"
-  }
+  fun hello(text: String): String = "Hello $text, from Kotlin!"
 }

example-kotlin/src/test/kotlin/com/willmolloy/HelloWorldTest.kt → example-kotlin/src/test/kotlin/com/willmolloy/HelloKotlinTest.kt

@@ -3,11 +3,11 @@ package com.willmolloy
 import com.google.common.truth.Truth.assertThat
 import org.junit.jupiter.api.Test
 
-/** Unit tests for [HelloWorld]. */
-class HelloWorldTest {
+/** Unit tests for [HelloKotlin]. */
+class HelloKotlinTest {
 
   @Test
   fun `test hello`() {
-    assertThat(HelloWorld().hello("world")).isEqualTo("Hello world!")
+    assertThat(HelloKotlin.hello("world")).isEqualTo("Hello world, from Kotlin!")
   }
 }

example-scala/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+  scala
+}
+
+dependencies {
+  implementation(libs.scala.library)
+}
+
+// TODO disabling on Kotlin/Scala atm... too many false positives
+spotbugs {
+  ignoreFailures.set(true)
+}

example-scala/src/main/scala/com/willmolloy/HelloScala.scala

@@ -0,0 +1,12 @@
+package com.willmolloy
+
+/**
+ * Example main src.
+ *
+ * @author
+ *   <a href=https://willmolloy.com>Will Molloy</a>
+ */
+object HelloScala {
+
+  def hello(text: String): String = s"Hello $text, from Scala!"
+}

example-scala/src/test/scala/com/willmolloy/HelloScalaTest.scala

@@ -0,0 +1,13 @@
+package com.willmolloy
+
+import com.google.common.truth.Truth.assertThat
+import org.junit.jupiter.api.Test
+
+/** Unit tests for [[HelloScala]]. */
+class HelloScalaTest {
+
+  @Test
+  def test_hello(): Unit = {
+    assertThat(HelloScala.hello("world")).isEqualTo("Hello world, from Scala!")
+  }
+}

gradle/libs.versions.toml

@@ -11,14 +11,14 @@ log4j = "2.24.3"
 junit = "5.11.4"
 truth = "1.4.4"
 mockito = "5.15.2"
-# scala/kotlin
+# langs
 scala = "3.6.2"
 kotlin = "2.1.0"
 
 [libraries]
 spotbugs-annotations = { module = "com.github.spotbugs:spotbugs-annotations", version.ref = "spotbugs" }
-log4j-api = { module = "org.apache.logging.log4j:log4j-api", version.ref = "log4j" }
 log4j-core = { module = "org.apache.logging.log4j:log4j-core", version.ref = "log4j" }
+log4j-api = { module = "org.apache.logging.log4j:log4j-api", version.ref = "log4j" }
 log4j-slf4j2 = { module = "org.apache.logging.log4j:log4j-slf4j2-impl", version.ref = "log4j" }
 # test libs
 junit = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit" }

scalafmt.conf

@@ -0,0 +1,4 @@
+version = "3.7.3"
+runner.dialect = scala3
+maxColumn = 100
+docstrings.style = Asterisk

settings.gradle.kts

@@ -1,3 +1,4 @@
 rootProject.name = "java-template"
 include("example-java")
 include("example-kotlin")
+include("example-scala")