Flash Cards on Identifiers

An identifier in Java is a legal name for something. For instance, variable names must be legal identifiers. Which of the strings in this deck of flash cards are legal identifiers?

Possible IdentifierLegal or NOT?

Questions so far       Number Right:       Number Wrong:   


Instructions:   Click on button 1 to see a question. Click on button 2 to see the correct answer. Then click on the "Right" or the "Wrong" button as appropriate. Repeat.

Correctly answered questions are removed from the deck of flash cards. Incorrectly answered questions go back into the deck. The program stops when all questions have been answered correctly.

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