Added examples.

examples/java/build.gradle

@@ -0,0 +1,56 @@
+buildscript {
+    repositories {
+        mavenLocal()
+    }
+    dependencies {
+        classpath "net.thauvin.erik.gradle:semver:0.9.2-beta"
+    }
+}
+
+// ./gradlew
+// ./gradlew incrementPatch run
+// ./gradlew incrementMinor run
+// ./gradlew incrementMajor run
+
+plugins {
+    id 'java'
+    id 'application'
+}
+
+apply plugin: 'net.thauvin.erik.gradle.semver'
+
+mainClassName = 'App'
+
+compileJava.options.annotationProcessorGeneratedSourcesDirectory = file("${projectDir}/src/generated")
+
+defaultTasks 'run'
+
+dependencies {
+    testImplementation(
+            'org.junit.jupiter:junit-jupiter-api:5.2.0'
+    )
+    testRuntimeOnly(
+            'org.junit.jupiter:junit-jupiter-engine:5.2.0'
+    )
+}
+
+repositories {
+    jcenter()
+}
+
+test {
+    useJUnitPlatform()
+}
+
+semver {
+    // properties = "example.properties"
+    // keysPrefix = "example."
+    // preReleaseKey = "release"
+    // buildMetaKey = "meta"
+}
+
+run {
+    doFirst {
+        println "Version: $version"
+    }
+}