Description: The applications in Chapters 210 display text at the command window and obtain input from the command window. Most applications you use on a daily basis use windows or dialog boxes (also called dialogs) to interact with the user. For example, e-mail programs allow you to type and read messages in a window provided by the e-mail program. Typically, dialog boxes are windows in which programs display important messages to the user or obtain information from the user. Java s JOptionPane class (package javax.swing) provides prepackaged dialog boxes for both input and output. These dialogs are displayed by invoking static JOptionPane methods. Figure 11.2 presents a simple addition application that uses two input dialogs to obtain integers from the user and a message dialog to display the sum of the integers the user enters.
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Exercise-VI\HK\.classpath
...........\..\.project
...........\..\bin\hk5_1.class
...........\..\...\hk5_2.class
...........\..\...\hk5_3.class
...........\..\...\hk6_.class
...........\..\...\hk6_29.class
...........\..\...\hk6_33.class
...........\..\...\main.class
...........\..\...\we.class
...........\..\src\hk6_29.java
...........\..\...\hk6_33.java
...........\..\bin
...........\..\src
...........\HK
Exercise-VI
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