Nest example project in multi-project build

example/build.gradle.kts

@@ -1,24 +1,7 @@
 plugins {
-    id("org.metaborg.convention.java")
-    id("org.metaborg.convention.maven-publish")
+    id("org.metaborg.convention.root-project")
 }
 
-group = "org.metaborg"
-description = "A Metaborg Gradle convention plugin example project."
-
-javaConvention {
-    javaVersion.set(JavaLanguageVersion.of(17))
-}
-
-mavenPublishConvention {
-    repoOwner.set("metaborg")
-    repoName.set("convention-plugin-example")
-}
-
-publishing {
-    publications {
-        create<MavenPublication>("mavenJava") {
-            from(components["java"])
-        }
-    }
+rootProjectConvention {
+    taskNameSuffix.set("All")
 }

example/java-example/build.gradle.kts

@@ -0,0 +1,25 @@
+plugins {
+    `java-library`
+    id("org.metaborg.convention.java")
+    id("org.metaborg.convention.maven-publish")
+}
+
+group = "org.metaborg"
+description = "A Metaborg Gradle convention plugin example project."
+
+javaConvention {
+    javaVersion.set(JavaLanguageVersion.of(17))
+}
+
+mavenPublishConvention {
+    repoOwner.set("metaborg")
+    repoName.set("convention-plugin-example")
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("mavenJava") {
+            from(components["java"])
+        }
+    }
+}

example/java-example/src/main/java/test/Hello.java

@@ -0,0 +1,7 @@
+package test;
+
+public class Hello {
+    static void main(String[] args) {
+        System.out.println("Hello, World!");
+    }
+}