In the Java programming language, all source code is first written in plain text files ending with the .java extension. Those source files are then compiled into .class files by the javac compiler. A .class file does not contain code that is native to your processor; it instead contains bytecodes — the machine language of the Java Virtual Machine1 (Java VM). The java launcher tool then runs your application with an instance of the Java Virtual Machine. The Java platform differs from most other platforms in that it's a software-only platform that runs on top of other hardware-based platforms. The API is a large collection of ready-made software components that provide many useful capabilities. It is grouped into libraries of related classes and interfaces; these libraries are known as packages.The next section, What Can Java Technology Do? highlights some of the functionality provided by the API. Figure showing MyProgram.java, API, Java Virtual Machine, and Hardware-Based Platform.The API and Java Virtual Machine insulate the program from the underlying hardware.
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Sql(Open Source) Databases:
Modern applications with complex business logic and ever growing processed data amounts pose a technological challenge to database engines in their backend. Development of a high-performance database leveraging application functionality requires special knowledge, techniques and software engineering skills.JAK Global Solutions employs highly qualified staff to accomplish transformation of your business requirements into physical database design: Proficient software and database architects Experienced SQL developers Experienced SQL developers Information security professionals Specialized database QA team.
An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. A database server is the key to solving the problems of information management. In general, a server reliably manages a large amount of data in a multiuser environment so that many users can concurrently access the same data. All this is accomplished while delivering high performance. A database server also prevents unauthorized access and provides efficient solutions for failure recovery. Oracle Database is the first database designed for enterprise grid computing, the most flexible and cost effective way to manage information and applications. Enterprise grid computing creates large pools of industry-standard, modular storage and servers. With this architecture, each new system can be rapidly provisioned from the pool of components. There is no need for peak workloads, because capacity can be easily added or reallocated from the resource pools as needed. The database has logical structures and physical structures. Because the physical and logical structures are separate, the physical storage of data can be managed without affecting the access to logical storage structures.
Scalability & Performance Features:
Read Consistency Quiesce Database Locking Mechanisms Real Application Clusters Portability.