Java was developed by Sun Microsystems company in May 1995 launched the high-level programming language.
Java can run on multiple platforms such as Windows, Mac OS, and many other versions of UNIX systems.
This tutorial simple example will give you a better understanding of JAVA programming language.
My first JAVA program
Below we to show through a simple example of Java programming, create a file HelloWorld.java (filenames consistent with the class name), as follows:
Running instance »
Run the above example, the output results are as follows:
$ javac HelloWorld.java $ java HelloWorld Hello World
Above we used two command javac and java.
javac command is used to java source files compiled into bytecode class files, such as: javac HelloWorld.java.
After running the javac command, if successfully compiled without errors, then there will be a HelloWorld.class file.
java command to run the class bytecode files, such as: java HelloWorld.
NOTE: java command do not add .class behind.