\subsection{Introduction} \begin{enumerate} \item Compilen: \\ javac main.java \item Ausführen: \\ java main < sample.in \item Einlesen: \\ Scanner in = new Scanner(System.in); \\ String line = in.nextLine(); (reads the next line of the input)\\ int num = in.nextInt(); (reads the next token of the input as an int)\\ double num2 = in.nextDouble(); (reads the next token of the input as a double)\\ usw. \dot (think on your own what comes next) \\ \ende{enumerate}