Java is the core technology for 2015. Java is a programming language made by James Gosling from Sun Microsystems (Sun) in 1991. The primary freely accessible variant of (Java 1.0) was discharged in 1995. Sun Microsystems was gained by the Oracle Corporation in 2010. The Java language permits programming engineers to compose system code in different dialects than the Java programming dialect which still keeps running on the Java virtual machine. The Java stage is generally connected with the Java virtual machine and the Java centre libraries.
Understanding SOA starts with the basic question of what a service-oriented? Service-oriented architecture (SOA) is an evolution which is a result of distributed computing that is based on the request and response mechanism for any type of applications. The applications may be synchronous and asynchronous applications. An application’s business logic is defined in modular form and is shown as services for client applications. These services are loosely coupled in nature this means that the service interface is independent of the implementation. Application developers have built these applications by composing one or more services. For example, a service can be implemented either in Microsoft .Net or JAVA J2EE, and the application using the service can be on a different language or platform.