Java 16 Features highlights 💡 Release date: 16-Mar-2021 1 JEP338 Vector API (Incubator) 2 JEP395 Records 3 JEP394 Pattern Matching for instanceof 4 JEP397 Sealed Classes (2nd Preview) 5 JEP347 Enabling C++ 14 Language features 6 JEP387 Elastic Metaspace 7 JEP389: Foreign Linker API (Incubator) 8 JEP390 Warnings for Value-Based Classes 9 JEP392 Packaging Tool 10 JEP393 Foreign-Memory Access API (Third Incubator)

One of the way : We can sort the map by customizing the Collections.sort method which accepts Comparator and do the name comparison by overriding the compare method GitHub Link : https://github.com/prakashbtech87/PrakashJavaRepository/tree/master/src/com/prakash/collections/hashmap Sample Code : Output :

Release Date :15-Sep-2020 JEP384- Records JEP360-Sealed Classes JEP371-Hidden Classes JEP375-Pattern Matching Type Checks JEP383-Foreign Memory API JEP378-Text Blocks JEP372-Remove the Nashorn JavaScript Engine JEP374-Disable and Deprecate Biased Locking JEP379-Shenandoah: A Low-Pause-Time Garbage Collector JEP385-Deprecate RMI Activation for Removal JEP381-Remove the Solaris and SPARC Ports JEP373-Reimplement the Legacy DatagramSocket API

Java 14 features highlights 💡 Image source: Journal Dev API : https://docs.oracle.com/en/java/javase/14/docs/api/index.html

Java 13 features highlights 💡

What is Stream ? It is a functional style of doing operations on discrete sequence of elements. The elements can be a collection or array. Official API link : https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html Sample Code Link : https://github.com/prakashbtech87/PrakashJavaRepository/blob/master/src/com/prakash/java8/JavaStreams.java Sample Demo Link : https://youtu.be/q7qr47-dveo

A stack is an abstract data type that holds an ordered, linear sequence of items Examples : Placing books on table. The last book which placed would be the first one to take out Stack operations : push(element) ==> inserting element to the stack pop()==> removing element from the stack Code Link : https://github.com/prakashbtech87/PrakashJavaRepository/blob/master/src/com/prakash/ds/stack/StackArray.java

Java 12 features highlights 💡 Release date 19-Mar-2019 JEP 325: Switch expressions JEP 305: Pattern matching for instance of JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) JEP 230: Microbenchmark Suite JEP 341: Default CDS Archives JEP 346 : Promptly Return Unused Committed Memory from G1 JEP 344 : Abortable Mixed Collections for G1 JEP 334 : JVM constants API JEP 340 :One AArch64 Port, Not Two

Java 11 features highlights Official Link : https://docs.oracle.com/en/java/javase/11/docs/api/index.html Released on :25-Sep-2018 Type Inference for Lambda Parameters String::lines New Characters, Scripts, and Blocks Standard HTTP Client .toArray(IntFunction) Default Method Epsilon Garbage Collector Low-overhead Heap Profiling Improved KeyStore Mechanisms Z Garbage Collector Dynamic Allocation of Compiler Threads