J2ME is a simple problem with helloworld running

You go here and check it out for sure to help.

WTK comes with an emulator Or you package the program,Use the phone naughty boy simulation display,Again。。 Put it on your phone (MIDP supported).

You don't have a helloword class in your classes or bin directory... You delete the classes directory or bin directory entirely, and then recompile the project.

It should be a little! I'm using a jsp, tomcat server, and I add a dot to the classpath in my environment variable.

It should be that your wtk is not configured right... Delete the original wtk.,It's deleted in the configuration.,And then reconfigure the wtk.。。。

Workaround:

Run the preferences in the wtk from the start menu and find security, which will be'unidentified third party to'identified the third party to the right security domain

Is your JDK configurable?

The JDK path must be configured.

Your ** can't see clearly

I can't see it clearly.,,** Look.

You** are right, there is a problem: the above is not wrong, abstract should be removed, the class of extends midlet is not an abstract class, this is the program entry class of j2me.

Environment version: The general version can be configured successfully, only, some plug-ins may have version requirements, you just learned, with a usable on the line. There is also an Eclipseme plug-in installed on the Internet, Eclipse

The textbox cannot be displayed in a form.

It's not a problem, I've also encountered it, I can run it in other classmates, it's a configuration problem, uninstall and reconfigure it.

New Thread constructs an anonymous thread class and calls the class's method start().

The problem with the program, but I don't have the tools here, I can't help you, the fault is in the main method, it's the error on line 13 of the program.