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Line 1: − + − The Java compiler maintained by Sun Microsystems compiles Java codes to byte codes, which requires the Java virtual machine to execute. This model was adopted by Microsoft for [[C#]] and other [[.NET]] languages. [[IBM]] and others supply regular Java compilers for those who don't want to use the virtual machine.+ − + − + − + − + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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[[Image:322px-Java Logo svg.png|right|thumb|100px|Java logo.]]
[[Image:322px-Java Logo svg.png|right|thumb|100px|Java logo.]]
'''Java''' is an [[object-oriented]] [[programming language]] developed by [[Sun Microsystems]] in the 1990's. Its syntax is similar to that of C++, but with some simplifications. One of the major features which make Java programs easier to write than C++ programs is its support for automatic memory management.
'''Java''' (pronounced jaa-vuh) is an [[Object Oriented programming|object-oriented]], high-level [[programming language]] developed by [[Sun Microsystems]] in the 1990s. Its syntax is similar to that of C++, but with some modifications. One of the major features which make Java programs easier to write than C++ programs is its support for automatic [[memory management]]. The best-selling Minecraft game was originally written and improved in the Java programming language.<br />
Java managed to cover two problems plaguing the C/C++ world: [[complexity]] (C++) and [[memory management]] (C/C++). These two were real problems because projects plagued with bugs created by complexity and with memory leaks.<ref>http://littletutorials.com/2008/05/28/13-reasons-java-die-old-age</ref>
Java has switch statements.
The Java [[compiler]] provided by Sun Microsystems compiles Java code to bytecode, which requires the Java Virtual Machine (commonly referred to as a JVM) to execute. This model was adopted by Microsoft for [[C Sharp|C#]] and other [[.NET]] languages. [[IBM]] and others supply regular Java compilers for those who don't want to use the [[virtual machine]].
==External Links==
Java applications are popular in creating [[applets]] for websites, due to their cross-platform nature. It still has not gained widespread popularity in stand-alone Windows applications, but is used primarily on web servers.
[http://www.java.com/ Official Java Website]
[[Category:Information technology]]
Google's [[Dalvik]], based on Java, is a programming language used on [[Android]]. Oracle (who acquired Sun Microsystems in 2009) has filed a lawsuit alleging that Dalvik infringes Oracle's copyrights and patents on the Java programming language. The lawsuit is currently being tried, as of April 2012.
==Memory Management==
The Java programming language is based on [[Object Oriented programming]] principles, coupled with [[garbage collection]]. This means, unlike [[C]] and other lower level programming languages the developer is able to create programs without worrying about pointers, references and memory. Instead the Java [[Virtual Machine]] is able to manage objects that are in use, periodically deleting objects that are no longer referenced (and therefore no longer required by the program).
== Example Code ==
=== Hello, World ===
An example program often used for languages is something that displays "Hello, World!".
<pre>
public class World {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}</pre>
=== GUI with JFrame ===
An example of creating and showing a JFrame with nothing in it:
<pre>JFrame frame = new JFrame();
frame.show();</pre>
==References==
{{reflist}}
==See also==
*[[Android apps]]
==External links==
* [http://www.java.com/ Official Java Website]
[[Category:Programming Languages]]