Java Reference
In-Depth Information
figure 2-3
Because it's still a fairly simple example, there's no checking of data input, so it'll let you enter
abc
as
the degrees Fahrenheit. Later, in the “Data Type Conversion” section of this chapter, you see how to
spot invalid characters posing as numeric data.
Security Issues with Internet explorer
trY it out
When loading the page to Internet Explorer (IE), you may see the security warning issue shown in
Figure 2-4, and the prompt window doesn't appear.
figure 2-4
