Register now or log in to join your professional community.
java.lang
java.lang package are imported by default. Thus you do not need to import java.lang.*; to use them without fully qualified names.
Consider the System.out.println() method we've been using since the first day of class.
System is really the java.lang.System class. This class has a public static field called out which is an instance of the java.io.PrintStream class. So when you write System.out.println(), you're really calling the println() method of the out field of the java.lang.System class!!.
java. lang package imported by servlets and java utili.
java.lang package because it bundles all the fundamental classes.
java.lang >>>> will be load by default
