01 Getting Started with Java by Ravi Patki

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Java
ProgrammingProgramming
By Prof. Ravi P. Patki
# 01 Getting Started with Java

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 What is Java
 History of Java
 Versions of Java
Agenda 3
 Versions of Java
 Java Editions

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1
Java is a programming
language and a computing
platform first released by Sun
Microsystems in 1995
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Java is a high level, robust, 100
% object-oriented and secure
programming language.
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4
What is Java ?
Java is a specification
which should be followed
by the programmer,
server developers and
database vendors
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Microsystems in 1995
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From laptops to datacenters,
game consoles to scientific
supercomputers, cell phones to
the Internet, Java is everywhere!

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START :1991
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Java History
 Java was originally designed for interactive television, but it was too
advanced technology for the digital cable television industry at the time.
It was developed by James Gosling at Sun Microsystems and released in
1995.
Green Team, initiated green
project to develop a
language for digital devices
such as set-top boxes,
televisions, etc. on the other
hand, it was suited for
internet programming.
Firstly, it was called "Greentalk" by James
Gosling, and the file extension was .gt.

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Oak is a symbol of strength and
chosen as a national tree of
many countries like the U.S.A.,
France, Germany, Romania, etc.
Why Oak?
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After that, it was called Oak and
was developed as a part of the
Green Project.
But Oak was already a trademark by
Oak Technologies.
The team gathered to choose a new
name. The suggested words were
Why Java?
name. The suggested words were
"dynamic", "revolutionary", "Silk",
"jolt", "DNA", etc.
They wanted something that
reflected the essence of the
technology: revolutionary, dynamic,
lively, cool, unique, and easy to spell
and fun to say.
 According to James Gosling, "Java
was one of the top choices along
with Silk". Since Java was so
unique, most of the team
members preferred Java than
other names.
 JAVA is a island of Indonesia where
the first coffee was produced.
 Java name was chosen while
having coffee near gosling office.

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Version Date
JDK1.0 January 23, 1996
JDK 1.1 February 19, 1997
J2SE 1.2 December 8, 1998
J2SE 1.3 May 8, 2000
J2SE 1.4 February 6, 2002
J2SE 5.0 September 30, 2004
Java Version History
J2SE 5.0 September 30, 2004
Java SE 6 December 11, 2006
Java SE 7 July 28, 2011
Java SE 8 March 18, 2014
Java SE 9 September 21, 2017

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J2SE Java Standard Edition : It includes core topics like OOPs, String, Exception, Inner
classes, Multithreading, I/O Stream, Networking, AWT, Swing, Reflection, Collection, etc.
J2EE
Java Enterprise Edition : It is an enterprise platform which is mainly used to develop
web and enterprise applications. It is built on the top of the Java SE platform. It includes topics like
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Java Editions
J2EE web and enterprise applications. It is built on the top of the Java SE platform. It includes topics like
Servlet, JSP, Web Services, EJB, JPA, etc.
J2ME
Java Micro Edition : It is a micro platform which is mainly used to
develop mobile applications.
 Java Card for smart-cards
 JavaFX (bundled in JRE from 8 to 10)
but separately for JavaFX 1.x, 2.x and 11)
 PersonalJava (Discontinued)

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