Can't add my class into example project

my class is in the workspace the project
tree with the same package(in code first
line is "package xxxx;"). When I instatiat it, it is not red color, it always occure
compile error: idendifier xxxx not found in the class(other class in the same pakege) xxxx.
do I need redeploy the project? but it did not compile and build.

Fred,
I am not sure about the details of the
problem you have explained below.
But here are some guidelines that may
help you figure out what you are doing wrong.
1. A Workspace can contain one or more
projects - (never any Java class files)
2. A Project can contain one or more
Java class files.
3. A project has a default "Source Root"
directory and this is used as the Root
for the source files.
4. Java requires public class names be the
same as the file name
(e.g. Class CellPhone must be saved in file
CellPhone.java)
5. Java requires the package name correspond
to directory path
(e.g. Pachage name of Acme.Video.Preview
must be stored in <Source Root>\Acme\Video\Preview )
6. The actual path to a file is the
Root Source plus the package name plus the
class name.java.
(example: Source Root = C:\JDeveloper
Package Name = MyCompany.Report.Util
Class Name = GeneratePDF
will need to be stored in:
C:\JDeveloper\MyCompany\Report\Util\GeneratePDF.java
As for various Identifiers not being found,
it is simply telling you that your project's
list of included libraries does not include
the given identifier.
If it is valid, then add the appropriate
library to the project's library list.
See Menu: Project | Project Properties.../ Add...
I hope this helps,
John@Oracle JDeveloper Team http://technet.oracle.com
null

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