Re: How Java is used in AS/400

["Larry Loen" <lwloen@xxxxxxxxxx>]

Jesus Bautista asked "Where do I start."

Short answer:  Develop your Java on your Windows or other box.

Let's say your application is in myapp.class.

Download as follows:

ftp yourAS400
(signon)
cd /home/yourUserID
bin
put myapp.class
quit

Then, on the AS/400 command line (what you
get when you sign on):

JAVA    myapp  PARMS('parm1' 'parm2')
  CLASSPATH('/home/yourUserID')

. . .should get you started, at least at a "Hello World" level.

If you require a graphical output (AWT, Swing), then it gets more
complicated.

Note that the CLASSPATH parm on the '400 includes
classes.zip for you.  Whatever you put in there is only your
own stuff (classes, zips, jars).

More complicated stuff works about as you'd expect:

JAVA  mypackage.myMainClass
    CLASSPATH('/home/yourUserID/mypackage.jar')

etc.



Larry W. Loen  -   Senior Java and AS/400 Performance Analyst
                          Dept HP4, Rochester MN


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