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Diffstat (limited to 'java/java.tex')
| -rw-r--r-- | java/java.tex | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/java/java.tex b/java/java.tex index 469fcc1..e8e132c 100644 --- a/java/java.tex +++ b/java/java.tex @@ -1,18 +1,25 @@ \section{Java} +\lstset{language=Java} \subsection{Introduction} \begin{itemize} \item Compilen: \lstinline{javac main.java} \item Ausführen: \lstinline{java main < sample.in} -\item Einlesen: -\lstset{language=Java} +\item Eingabe: \begin{lstlisting} Scanner in = new Scanner(System.in); //java.util.Scanner 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 \end{lstlisting} +\item Ausgabe: +\begin{lstlisting} +//Ausgabe in StringBuilder schreiben und am Ende alles auf einmal ausgeben -> viel schneller +StringBuilder sb = new StringBuilder(); //java.lang.StringBuilder +sb.append("Hallo Welt"); +System.out.print(sb.toString()); +\end{lstlisting} \end{itemize} \subsection{BigInteger} |
