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Can you post a small complete program that compiles, executes and shows the problem?

Can you post the code for the newInstance() method?

Can you post the code? Your link does not show the code. It points to an error message.

Can you post the code for the newInstance() method to show what it returns?

Or can you post a small complete program that compiles, executes and shows the problem?

What does the newInstance() method return?

What variable has a String value?