java: add maven project

Author: smoothprogrammer

template/java/.gitignore

@@ -0,0 +1,46 @@
+# https://github.com/github/gitignore/blob/main/Java.gitignore
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
+# https://github.com/github/gitignore/blob/main/Java.gitignore
+
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath

template/java/Makefile

@@ -0,0 +1,4 @@
+test:
+	@mvn test
+run:
+	@mvn -q exec:java

template/java/flake.nix

@@ -3,7 +3,7 @@
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 
-  outputs = { self, nixpkgs }:
+  outputs = { nixpkgs, ... }:
     let
       forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
     in

template/java/pom.xml

@@ -0,0 +1,44 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>dev.minizilla</groupId>
+  <artifactId>javaproject</artifactId>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>javaproject</name>
+  <url>https://minizilla.dev</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>3.5.0</version>
+        <configuration>
+          <mainClass>dev.minizilla.javaproject.App</mainClass>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>java</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

template/java/src/main/java/dev/minizilla/javaproject/App.java

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

template/java/src/test/java/dev/minizilla/javaproject/AppTest.java

@@ -0,0 +1,19 @@
+package dev.minizilla.javaproject;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+public class AppTest extends TestCase {
+    public AppTest(String testName) {
+        super(testName);
+    }
+
+    public static Test suite() {
+        return new TestSuite(AppTest.class);
+    }
+
+    public void testApp() {
+        assertTrue(true);
+    }
+}