can you please answer both questions

thank you

Insert the missing code in the following code fragment. This fragment is intended to read all words from a text file named datain. txt. Flle inputkile = new Flio("datain.txt"); scannen in = neu sconner(inputFile); while string input = in-next(); system.eut.println (input); in.getNext() in.hastWord() in.peek() What is wrong with the following code? No return statement Illegal return type Invalid scope of variable used in return statement Invalid parameter variable type