Fundamental Classes in java.lang package

Fundamental Classes in java.lang package

This chapter is all about some important classes of the java.lang package. Here you will learn the APIs of these classes. As a Java programmer, you often need the skill to quickly learn the API of any Java class in order to use it efficiently. The java.lang contains classes such as Object, String, StringBuffer that are heavily used in almost every Java code. You often need to know the API of these classes even when you are writing a simplest Java program. In this chapter, you will learn to use these classes by learning their important public methods (API).