List of new features since Java 8

Java 9

• HTML5 Javadoc
  https://blog.idrsolutions.com/2017/05/how-html5-javadocs-in-java-9-will-make-your-life-easier/
• New HTTP Client
  https://www.baeldung.com/java-9-http-client
• Collection factory methods
  List.of(1, 2, 3)
https://www.tutorialspoint.com/java9/java9_collection_factory_methods.htm
• Process API impovements
  https://www.tutorialspoint.com/java9/java9_process_api_improvements.htm
  ProcessBuilder pb = new ProcessBuilder("notepad.exe");
• Private interface methods
  

  With Java 9 interfaces can have following type of variables/methods.

  • Constant variables
  • Abstract methods
  • Default methods
  • Static methods
  • Private methods
  • Private Static methods
  https://www.tutorialspoint.com/java9/java9_private_interface_methods.htm
• Stream API improvements
  takeWhile, dropWhile, iterate, ofNullable
  https://www.tutorialspoint.com/java9/java9_stream_api_improvements.htm
• Try w/ resources improvement
  

  BufferedReader br = new BufferedReader(inputString);
  try (br)
  {
     return br.readLine();
  }
  

  https://www.tutorialspoint.com/java9/java9_try_with_resources_improvement.htm
• /@Deprecated improvements
  forRemoval, since
  https://www.tutorialspoint.com/java9/java9_enhanced_deprecated_annotation.htm
• Inner class diamond operator
  https://www.tutorialspoint.com/java9/java9_inner_class_diamond_operator.htm
• Optional improvements
  stream, ifPresentOrElse, or
  https://www.tutorialspoint.com/java9/java9_optional_class_improvements.htm

Java 10

• Local variable type inference
  var str = "Hello world";
https://howtodoinjava.com/java10/var-local-variable-type-inference/
• Collection factory methods
  List.copyOf, etc..
• Optional.orElseThrow()

Java 11

• New String Methods
  " ".isBlank, str.lines(), strip(). stripLeading(), stripTailing(), repeat(int)
• Reading/Writing strings to files
  Files.writeString
  Files.readString
• Local variable syntax for lamda parameters
  (var s1, var s2) -> s1 + s2
• Reflection access control stuff
  Class.getNestHost, getNestMembers, isNestmateOf
• HTTP client improvements supporting HTTP 1.1 and Websocket
• Optional.isEmpty

Java 12

• Switch expressions
  

  String result = switch (day) {
              case "M", "W", "F" -> "MWF";
              case "T", "TH", "S" -> "TTS";
              default -> {
                  if(day.isEmpty())
                      break "Please insert a valid day.";
                  else
                      break "Looks like a Sunday.";
              }
  
  

• File.mismatch

• Compact number formatting
  NumberFormat.getCompactNumberInstance
• Collectors.teeing
• String.indent, transform, describeConstable, resolveContantDesc
• Pattern matching for instanceof
  if (obj instanceof String s)

Java 13

• Text blocks
  

  String textBlock = """
  		   Hi
  		   Hello
  		   Yes""";
  
  

• Text block methods
  formatted, stripIndent, translateEscapes
• Switch statement
  return -> yield
• New implementation of Socket API