Java is an Object-Oriented programming language developed by James Gosling in the early 1990s. The team initiated this project to develop a language for digital devices such as set-top boxes, television, etc. Originally C++ was considered to be used in the project but the idea was rejected for several reasons(For instance C++ required more memory). Gosling endeavoured to alter and expand C++ however before long surrendered that for making another stage called Green. James Gosling and his team called their project “Greentalk” and its file extension was .gt and later became to known as “OAK”.
Why “Oak”?The name Oak was used by Gosling after an oak tree that remained outside his office. Also, Oak is an image of solidarity and picked as a national tree of numerous nations like the U.S.A., France, Germany, Romania, etc. But they had to later rename it as “JAVA” as it was already a trademark by Oak Technologies.
“JAVA”Gosling and his team did a brainstorm session and after the session, they came up with several names such as JAVA, DNA, SILK, RUBY, etc.
Java name was decided after much discussion since it was so unique. The name Java originates from a sort of espresso bean, Java. Gosling came up with this name while having a coffee near his office.Java was created on the principles like Robust, Portable, Platform Independent, High Performance, Multithread, etc. and was called one of the Ten Best Products of 1995 by the TIME MAGAZINE.
Currently, Java is used in internet programming, mobile devices, games, e-business solutions, etc. The Java language has experienced a few changes since JDK 1.0 just as various augmentations of classes and packages to the standard library. In Addition to the language changes, considerably more sensational changes have been made to the Java Class Library throughout the years, which has developed from a couple of hundred classes in JDK 1.0 to more than three thousand in J2SE 5.
History of various Java versions:
The Very first version was released on January 23, 1996. The principal stable variant, JDK 1.0.2, is called Java 1.
Was released on February 19, 1997. There were many additions in JDK 1.1 as compared to version 1.0 such as
A broad retooling of the AWT occasion show
Inner classes added to the language
“Play area” was the codename which was given to this form and was released on 8th December 1998. Its real expansion included: strictfp keyword
the Swing graphical API was coordinated into the centre classes
Sun’s JVM was outfitted with a JIT compiler out of the blue
Java IDL, an IDL usage for CORBA interoperability
Codename- “KESTREL”Release Date- 8th May 2000Additions:
HotSpot JVM included
Java Naming and Directory Interface
Synthetic proxy classes
Codename- “Merlin”Release Date- 6th February 2002Additions: Library improvements
Regular expressions modelled after Perl regular expressions
The image I/O API for reading and writing images in formats like JPEG and PNG
Integrated XML parser and XSLT processor (JAXP) (specified in JSR 5 and JSR 63)
Preferences API (java.util.prefs)
Public Support and security updates for this version ended in October 2008.
Codename- “Tiger”Release Date- “30th September 2004”Originally numbered as 1.5 which is still used as its internal version. Added several new language features such as:
JAVA SE 6
Codename- “Mustang”Released Date- 11th December 2006Packaged with a database supervisor and encourages the utilization of scripting languages with the JVM. Replaced the name J2SE with ava SE and dropped the .0 from the version number.Additions:
Upgrade of JAXB to version 2.0: Including integration of a StAX parser.
Support for pluggable annotations (JSR 269).
JDBC 4.0 support (JSR 221)
JAVA SE 7
Codename- “Dolphin”Release Date- 7th July 2011Added small language changes including strings in the switch. The JVM was extended with support for dynamic languages.Additions:
Compressed 64-bit pointers.
Binary Integer Literals.
Upstream updates to XML and Unicode.
JAVA SE 8
Released Date- 18th March 2014Language level support for lambda expressions and default methods and a new date and time API inspired by Joda Time.
JAVA SE 9
Release Date: 21st September 2017Project Jigsaw: designing and implementing a standard, a module system for the Java SE platform, and to apply that system to the platform itself and the JDK.
JAVA SE 10
Released Date- 20th MarchAddition:
Additional Unicode language-tag extensions
Heap allocation on alternative memory devices
Remove the native-header generation tool – javah.
Consolidate the JDK forest into a single repository.
JAVA SE 11
Released Date- 25th September, 2018Additions-
Dynamic class-file constants
Epsilon: a no-op garbage collector
The local-variable syntax for lambda parameters
Low-overhead heap profiling
HTTP client (standard)
Transport Layer Security (TLS) 1.3
JAVA SE 12
Released Date- 19th March 2019Additions-
Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
Switch Expressions (Preview)
JVM Constants API
One AArch64 Port, Not Two
Default CDS Archives
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