Oracle Turns Java up to 11

List<String> foo = new ArrayList<>();
Map<Customer, List<Order>> orderMap = new HashMap<>();

var foo = new ArrayList<String>();
var orderMap = new HashMap<Customer, List<Order>>;
var stream = list.stream(); // infers Stream<String>

# Determining the classes to archive
java -Xshare:off -XX:+UseAppCDS -XX:DumpLoadedClassList=hello.lst \
    -cp hello.jar HelloWorld

# Creating the AppCDS archive
java -Xshare:dump -XX:+UseAppCDS -XX:SharedClassListFile=hello.lst \
    -XX:SharedArchiveFile=hello.jsa -cp hello.jar

# Using the AppCDS archive
java -Xshare:on -XX:+UseAppCDS -XX:SharedArchiveFile=hello.jsa \
    -cp hello.jar HelloWorld

HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
      .uri(URI.create("http://openjdk.java.net/"))
      .build();
client.sendAsync(request, asString())
      .thenApply(HttpResponse::body)
      .thenAccept(System.out::println)
      .join();

Path path = FileSystems.getDefault().getPath("logs", "access.log");
// ...
var path2 = Path.of("logs/access.log")
var userHome = Path.of(System.getProperty("user.home"));

@Label("Hello World")
@Description("Helps the programmer getting started")
class HelloWorld extends Event {
   @Label("Message")
   String message;
}

public static void main(String... args) throws IOException {
    HelloWorld event = new HelloWorld();
    event.message = "hello, world!";
    event.commit();
}

java Factorial.java 3 4 5

javac -d <memory> Factorial.java
java -cp <memory> Factorial 3 4 5

#!/path/to/java

./factorial