Introduction To Java
To learn the Java Language... we need to understand WHAT is java, WHERE it is used, WHY we use java.
Java is a programming language. A language used by humans to communicate with systems. It was created by Sun Microsystems, Inc. in 1991. Sun Microsystems was acquired by the Oracle Corporation in 2010. Now Java is owned by Oracle.
WHERE it is used?
Java is used where we need to develop some application which can be Desktop Applications, Web Applications or Mobile based Applications.
Desktop application are stand alone applications. To built these applications in JAVA we need to install the JSE(Java Standard Edition), JDE(Java Distributed Edition).
Web applications are client-server applications. To built these app ,we need to install JEE(Java Enterprise Edition). These applications are accessed using browsers.
Mobile applications are also standalone applications, To built them we need JME(Java Mobile/Micro Edition). These applications can run only on smartphones, tablets.
WHY we use java?
Java is used for popularity of its features. Java is created with a thought of running a language everywhere. It has got vast number of functionalities which are very simple to understand and to use.
Features:
- Secured
- Simple
- Object Oriented
- Platform Independent
- Open Source
- Robust
- Exception Handling
- Distributed Applications
- Multithreading
- Garbage Collection
- High Performance
- Portable.
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