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Try asking what to do on an Eclipse users forum.

Usually deprecated classes will continue to work for a while.

Do you know what the header should look like?
There are test servers you can use that will show you what the program is sending.
If you can see what is sent by the program and compare that to what...

Those do not look like java programming errors. If you are trying to interface to some site, perhaps someone at the site could help you.

If you can identify a java programming problem, please ask...

Good luck.

Can you make a small, complete program that compiles, executes and shows the problem? Your short code sections don't show the problem enough to understand it.

This is getting to be a waste of time. You need to post the full text of the error messages.

Please copy the full text of any error messages and paste it here. Not an image.


Where is REI defined?

Please explain.

Don't post your current code, make a special smaller version that only shows the problem, nothing more is needed and will only confuse the issue.

What is "API"? I use those letters for...

Can you make a small, complete program that compiles, executes and shows the problem? Your short code sections don't show the problem enough to understand it

What is the problem then?

Ok, that looks like good code. What is the problem?

Can you make a small, complete program that compiles, executes and shows the problem? Your short code sections don't show the problem enough to understand it

I'm not sure I understand what you are asking.
I was using values from the code you posted:

Ticker ticker = new Ticker();
ticker is a variable that has a reference to an instance of the Ticker...

ticker is the variable that does the saving of the reference to a Ticker object.
Define ticker at the class level so any methods can use it to reference the Ticker object.
Note: a variable can be...

Save the reference(ticker??) to the class (Ticker) whose methods you want to call and use it to call the class's methods to get data from it.
data = ticker.getData();

The method getData() would...