Java 6 Illuminated: An Active Learning Approach, 2nd Edition

When the RandomNumbers program executes, it will produce output simi-

lar to the window shown in Figure 3.13. The output will vary from one exe-

cution of the program to the next because different random numbers will

be generated.

3.10 Input from the Console Using the Scanner Class

As our programs become more complex, we will need to allow the users of

our programs to input data. User input can be read into your program in

several ways:

■

from the Java console

■

from a dialog box

■

from a file

■

through a Graphical User Interface (GUI)

The Java class library provides classes for all types of data input. In this

chapter, we will concentrate on two ways to input ...