Remove Java 11 support.

.github/workflows/gradle.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '11', '17' ]
+        java: [ '17' ]
 
     steps:
       - uses: actions/checkout@v3

build.gradle

@@ -6,10 +6,10 @@ defaultTasks 'clean', 'build', 'getDeps', 'buildZip'
 
 description = 'Structurizr CLI'
 group = 'com.structurizr'
-version = '1.33.1'
+version = '1.34.0'
 
-sourceCompatibility = '11'
-targetCompatibility = '11'
+sourceCompatibility = 17
+targetCompatibility = 17
 
 repositories {
 	mavenCentral()
@@ -33,7 +33,7 @@ dependencies {
 	implementation 'org.apache.logging.log4j:log4j-jcl:2.20.0'
 	implementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.20.0'
 
-	testImplementation 'org.junit.jupiter:junit-jupiter:5.9.0'
+	testImplementation 'org.junit.jupiter:junit-jupiter:5.9.2'
 
 }
 

src/main/java/com/structurizr/cli/StructurizrCliApplication.java

@@ -69,8 +69,6 @@ public class StructurizrCliApplication {
 
 	public void run(String... args) {
 		try {
-			checkJavaVersion();
-
 			if (args == null || args.length == 0) {
 				printUsageMessageAndExit(null);
 			}
@@ -98,23 +96,6 @@ private void printUsageMessageAndExit(String commandName) {
 		System.exit(1);
 	}
 
-	private void checkJavaVersion() {
-		Set<String> versions = new HashSet<>();
-		versions.add("11");
-		versions.add("11.0.0");
-		versions.add("11.0.1");
-		versions.add("11.0.2");
-		versions.add("11.0.3");
-
-		String version = System.getProperty("java.version");
-
-		if (versions.contains(version)) {
-			log.error("The Structurizr CLI does not work with Java versions 11.0.0-11.0.3 - please upgrade your Java installation");
-			System.exit(1);
-		}
-
-	}
-
 	public static void main(String[] args) {
 		new StructurizrCliApplication().run(args);
 	}