Exploring java.lang
This chapter discusses those classes and interfaces defined by java.lang. As you know, java.lang is automatically imported into all programs. It contains classes and interfaces that are fundamental to virtually all of Java programming. It is Java’s most widely used package.
java.lang includes the following classes:
java.lang defines the following interfaces:
Several of the classes contained in java.lang contain deprecated methods, most dating back to Java 1.0. These deprecated methods are still provided ...

Get Java: The Complete Reference, Ninth Edition, 9th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.