Using Collections and Strings in a Reusable Class - Java Programming: Comprehensive Concepts and Techniques - page 593

Understanding Error Messages

Figure 9-45a displays a portion of a Java program. Figure 9-45b displays the
compilation error messages. Using what you know about error messages, list the
coding error that caused TextPad to display these errors.

1
2 public class ErrorMsg
3 {
4
5 private final int minSize;

6 private boolean found = true ;

7
8 private ArrayList objList;

9
10
11 public ErrorMsg ()

12 {

13 minSize = 12;

14 objList = new ArrayList ( minSize ) ;

15 }

16
17 public ErrorMsg ( int newMinSize ) throws Exception

18 {

19 minSize = newMinSize;

20 objList = new ArrayList ( minSize ) ;

21 }

22
23
24
25 }

FIGURE 9-45a

FIGURE 9-45b

Using the Java API

The Java API is a good tool to look up information about a class with which
you may be unfamiliar or to check the syntax of commands and methods you
wish to use in your programs. While connected to the Internet, start a browser,
type http://java.sun.com/j2se/1.5/docs/api/ in the Address text box,
and then press the ENTER key to view the Java API Specification on the Sun Web