What is java?
Java is a programming language and a platform. Java is a high level, robust, object-oriented and secure programming language. It is owned by Oracle.
Java is WRITE ONCE RUN ANYWHERE (WORA)
It is used for:
- Mobile applications (specially Android apps)
- Desktop applications
- Web applications
- Web servers and application servers
- Games
- Database connection
Why use java?
Java works on different platforms.
- It is easy to learn and simple to use
- Java is object oriented programming language
- It is a platform independent
- It is open-source and free
- It is secure, fast and powerful
Platform Independent
What is JDK ?
The Java Development Kit (JDK) is a software development environment used for developing Java applications and applets. It is platform independent. It is a compiler.
JDK is convert to byte codes and class files. JDK is called Compile time running.
It has Compiler, Exception Handling and Garbage Collector.
what is JVM ?
JVM stands for Java Virtual Machine.
JVM is platform dependent as Operating System.
JVM is convert to Binary codes. JVM is called Run time Environment.
Open Source Code
- Free Software
- Can run on any system
