Java Tutorial | W3spoint
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Java Tutorial
Java Tutorial
• Java tutorial for beginners and 
professionals with examples on 
Basics, OOPs, Methods, 
Overloading, Overriding, 
Inheritance, Polymorphism, 
Interfaces, Packages, Abstract 
classes, String handling, Exception 
handling, IO, Collections, 
Multithreading, Serialization and 
more.
What is a Programming 
Language? 
• An artificial language used 
to write programs which 
can be translated into 
machine language and 
executed by computer with 
the help of some special 
software.
What is Java?
• Java is a  high level 
programming language 
and also known as 
platform because of its 
JRE (java runtime 
environment).
Brief History of Java.
• Java language project 
initially started in June 
1991 by James Gosling, 
Mike Sheridan, and Patrick 
Naughton. An oak tree 
stood outside Gosling’s 
office at that time and java 
named as oak initially. It 
later renamed as Green 
and was later renamed as 
java from java coffee.
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