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

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

by Julie Anderson, Herve J. Franceschi
February 2008
Intermediate to advanced content levelIntermediate to advanced
1288 pages
39h 39m
English
Jones & Bartlett Learning
Content preview from Java 6 Illuminated: An Active Learning Approach, 2nd Edition
Similarly, line 23 converts the String 58.32” to a double, and line 24 con-
verts the same String to a Double object.
The usefulness of these wrappers will become clear in the next section of
this chapter, where we discuss dialog boxes.
3.16 Input and Output Using JOptionPane Dialog Boxes
Java provides the JOptionPane class for creating dialog boxesthose famil-
iar pop-up windows that prompt the user to enter a value or notify the user
of an error. The JOptionPane class is in the javax.swing package, so you will
need to provide an import statement in any program that uses a dialog box.
3.16 Input and Output Using JOptionPane Dialog Boxes 151
TABLE 3.16 ...
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Publisher Resources

ISBN: 9780763749637