what is Java
- Java is a programming language and a platform.
- Java is a excessive level, robust, secured and item-oriented programming language.
- Platform: Any hardware or software program environment wherein a software runs, is called a platform. on account that Java has its personal runtime environment (JRE) and API, it's miles called platform.
In which it's miles used?
- consistent with solar, 3 billion gadgets run java. there are many gadgets wherein java is presently used. a number of them are as follows:
- desktop packages along with acrobat reader, media participant, antivirus and so on.
- web packages consisting of irctc.co.in, javatpoint.com and many others.
- employer programs consisting of banking applications.
- cell
- Embedded system
- clever Card
- Robotics
- games etc.
Types of Java packages
There are especially 4 kind of programs that can be created the use of java programming:
1) Standalone utility
- it's also known as computing device software or window-based totally utility. An utility that we want to install on each machine inclusive of media player, antivirus and so forth. AWT and Swing are utilized in java for developing standalone applications.
2) internet software
- An software that runs at the server aspect and creates dynamic page, is known as internet application. currently, servlet, jsp, struts, jsf and so on. technologies are used for developing internet programs in java.
3) business enterprise utility
- An utility that is allotted in nature, together with banking applications and so forth. It has the benefit of excessive stage protection, load balancing and clustering. In java, EJB is used for creating company applications.
4) cellular software
- An utility that is created for cellular devices. presently Android and Java ME are used for creating cellular packages.