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Core Java

Java Programming is a widely used robust technology.Java is a set of computer software and specifications developed by Sun Microsystems, later acquired by Oracle Corporation, that provides a system for developing application software and deploying it in a cross-platform computing environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones to enterprise servers and supercomputers. While less common, Java applets run in secure, sandboxed environments to provide many features of native applications and can be embedded in HTML pages.

The heart of the Java platform is the concept of a "virtual machine" that executes Java bytecode programs. This bytecode is the same no matter what hardware or operating system the program is running under. There is a JIT (Just In Time) compiler within the Java Virtual Machine, or JVM. The JIT compiler translates the Java bytecode into native processor instructions at run-time and caches the native code in memory during execution.

The Core Java technologies and application programming interfaces (APIs) are the foundation of the Java Platform, Standard Edition (Java SE). They are used in all classes of Java programming, from desktop applications to Java EE applications.

Core Java is basics for Java which will be starting point for learners. Here I am trying to explain some topics in detail


Core Java Topics

     »  PermGen Space vs Heap Space

     »  Serialization in Java

     »  Externalization in java

     »  Dozer: Java Bean to Java Bean mapper

     »  JAX-RS client API

     »  FormEngine Framework

     »  Memory Analyzer