Public static void mainLink:

http://www.code2learn.com/2011/11/public-static-void-mainstring-args.htmlJava literalsLink: http://www.javaying.com/2006/12/whats-java-literal.htmlhttp://www.javatutorialprograms.com/2013/01/java-literals.htmlVariablesLink: http://www.c4learn.com/java/java-variable-types/http://www.javatpoint.com/variable-datatypeOperatorLink:http://www.c4learn.com/java/java-operators/http://www.javatpoint.com/operators-in-javaObject Creattion:Linkhttp://www.instanceofjava.com/2014/12/four-different-ways-to-create-objects.html