Java

What is Java?

Java is object-oriented class-based platform independent programming language. This means Java code is written once and run anywhere without need to recompile. Originally Java was released by Sun Microsystems in 1995. First Java compiles code into machine independent byte-code. Then the byte code runs on architecture independent Java Virtual Machine (JVM). In Web applications Java is used to develop java server pages (JSP). JSP has entire access to the Java API, including JDBC for database access.

What is Java for Android?

Nowadays in the world of mobile applications Java became even more popular thanks to open source mobile operating system Android. Android runs everywhere – in smartphones, Smart TVs, tablets. Unlike classic Java Android doesn’t run Java byte code by JVM, but Android Runtime compile Java code to run in a specific format containing machine code.

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