Number

Number The abstract class Number. defines a sup class that is implemented by the classes that wrap the numeric types byte, short, int, long, bloat, and double. Number has abstract methods that return the value of the object in each of the different number...

Exploring java.lang

Exploring java.lang This chapter discusses those classes and interfaces defined laborsaving. 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...

The java.lang ref

The java.lang ref   Packages  Java defines two sub packages of java.lang: java.lang.ref and java.lang reflect, Each is briefly described here.. java.lang, ref You learned earlier that the garbage collection facilities in Java automatically determine when no...