Java_Learnings:

1. Java 1.5 - Genrics, Autoboxing
2. Java 1.6
3. Java 1.7
4. Java 1.8 - big bang -2014 - Funcational Programming
5. Java 9 - 2017 - Modularization
6. Java 10 - Local var , 11, 12...- Java 11 has long term support, Java 17 will have long term support
7. Java 11 - Epsilon, No javac mandatory, String, Files, var in lambda
8. Java 14 - 2020 March, Switch as expression production ready, CMS no more, ZGC came
9. Java 15 - Record pilot
10. Java 16 - March 2021 - Record class

JDK 1.8:

Functional Interface Lambda Method Reference Streams Default parNewGC Interface static & default methods Local Date Time API Collections updates

Java 9

Modularity, JMods Multi release jar jlink JShell Collection Factory .of() takeWhile(), dropWhile() in stream Optional.stream() G1 GC Default try catch with effectively final resource

Java 10

var - local variable type inference Collection. copyOf() Stream collect to toUnmodifiableList() Http2 support Optional.orElseThrow(no args) ContainerAwareness

Java 11:

var in lambda Epsilon GC - testing String lines(), isBlank(), strip() Files.readString(), writeString() Collection .toArray() HttpClient javac is done by java <file.java>

JDK 12:

Switch as expression - pilot

JDK 13

Switch as expression with yield -pilot

JDK 14

Switch expression production

JDK 15

record type for DTO -pilot

JDK 16

record type production ready