Introduction to Java

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Introduction to Java Programming

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What is Java ?
Java is a 
class-based
, 
high-level
, 
object oriented
programming language that James 
Gosling designed in 1995.
For over 14 years, Airbnb has been one of the biggest companies for vacation rentals 
and similar services. The company has a fully functional website with a Java-powered 
backend.
Who uses Java ?
Amazon is not just a big name in the ecommerce sector. It is also renowned as one of 
the five big tech companies on the globe. Amazon Web Services hires Java developers 
as part of its software engineering department because it has several web-based 
application services that are written in Java
eBay has managed to maintain its relevance as one of the best ecommerce companies 
in the US for the last 27 years. The backend of eBay runs on a Java-based technology 
stack and the Java virtual machine.

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Java History
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Java was created at Sun Microsystems 1991.
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The language was initially called Oak.
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In 1995, Oak was renamed as Java.
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Sold to Oracle in 2010.

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Java editions
Sun has defined and supports four editions of Java targeting different application
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Java Card for smart-cards(identity cards and passports)
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Java Micro Edition(micro-controllers, sensors, embedded systems)
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Java Standard Edition (develop and deploy applications on desktops and servers)
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Java Platform, Enterprise Edition (enterprise applications, web applications)

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Java versions

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What is LTS ?

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Interview Questions

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Doing the best at this moment puts you in the best place for the 
next moment