text: in java, system.out.println()... println() is in java.io package.? the default package being imported is java.lang , so how can we access the println() present inside java.io package without being importing java.io system.class the java.io package is already imported and  the variable "out" is already defined.  until u use "system" class to refer the variable the import is not required.  for more info about pakage refer http://jarticles.com/package/package_eng.html