Java Reference
In-Depth Information
The preceding steps should set the
Path
. To be absolutely certain about the
Path
and
also to set the
CLASSPATH
, check your operating system's documentation.
The following discussion assumes that you have set the
Path
so that the files
javac.exe
and
java.exe
can be executed from within any subdirectory.
You can use an editor such as Notepad to create Java programs. The name of the class
containing the Java program and the name of the file containing the program must be the
same. Moreover, the file containing the Java program must have the extension
.java
.
Suppose that the file
Welcome.java
is in the subdirectory
c:\jpfpatpd
and contains
the following Java application program:
public class
Welcome
{
public static void
main(String[] args)
{
System.out.println("Welcome to Java Programming.");
}
}
We assume that you have switched to the subdirectory
c:\jpfpatpd
(see Figure D-9).
FIGURE D-9
Windows console environment
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