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Missing return statement

https://code.sololearn.com/cZRKYp43ByUp/?ref=app The code checks if a string is 'prime' Line 52 missing return statement. But i do have one return statement within the function scope.

7/31/2018 2:18:02 PM


3 Answers

New Answer


Yeah, if flag is 1, but if it isn't? there's no return, you gotta cover al possible options


Thank you for your help. But still my code is flawed and i cant comprehend the error. Could you help me out again? i tried looking up nullpointerexception on the Internet but couldn't understand a thing


the problem id at line 33. What happens is that, the code inside classes is executed when you run the.program, even if you don't create am object, so you assign l the length of str, but str hasn't been initialized. this has 2 solutions(maybe more). You initialize Stringop variables with some value or, you assign l the length inside the method stringprime