Determine the types of JAVA

Java has two parts...

1. Core language -- variables, arrays, objects

o Java Virtual Machine (JVM) runs the core language

o Core language is simple enough to run on small devices -- phones, smart cards, PDAs.

2. Libraries

o Java includes a large collection of standard library classes to provide "off the shelf" code.

(Useful built-in classes which comes with language to perform basic tasks)

o Example of these classes is String, HashMap, ArrayList, StringTokenizer (to break string into substrings), Date ...

Java programmers are more productive in part since they have access to a large set of standard, well documented library classes.

 

Posted Date: 9/20/2013 2:39:53 AM | Location : United States

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