Is GuessTheNumberButton supposed to be a method, or the class name? If the former, you must specify what is to be returned (eg void, etc...). If the latter, the name must match the definition of the...
Type: Posts; User: copeg
Re: Error: Invalid method declaration; return type required. Related to JFrames.
Is GuessTheNumberButton supposed to be a method, or the class name? If the former, you must specify what is to be returned (eg void, etc...). If the latter, the name must match the definition of the...