Introduction to Java

Java is a programming language. It was developed by James Gosling in 1995ater acquired by Oracle.Initially it named as Oak because it was developed infront of a Oak tree, so the developer has think to name it Oak. Later it changed as Java.

Important features of Java -

• Java is a OOPs based language.

• It is a compatible language (platforms independent)

• Java is fairly simple & secure.

Java is used in multiple fields like mobile application,.web application,Big Data processing, Embedded systems.

There are three components of Java -

1. JVM (JAVA VIRTUAL MACHINE)

2. JRE (JAVA RUNTIME ENVIRONMENT)

3. JDK (JAVA DEVELOPMENT KIT)

JVM provides runtime environment to excute a byte code into machine code.

JRE \= JVM + Libraries

JDK provide us development kit.

Example - Javac, Debugging tools,Java doc.

Soon I will write more articles in this series of Java till then bye.

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