From 7113e0921ad8c1592280ffee9445fab29e66fb7f Mon Sep 17 00:00:00 2001 From: Paul Jungeblut Date: Tue, 25 Nov 2014 11:37:28 +0100 Subject: Was passiert, wenn wir Java begegnen --- java/java.tex | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 java/java.tex (limited to 'java/java.tex') diff --git a/java/java.tex b/java/java.tex new file mode 100644 index 0000000..469fcc1 --- /dev/null +++ b/java/java.tex @@ -0,0 +1,42 @@ +\section{Java} + +\subsection{Introduction} + +\begin{itemize} +\item Compilen: \lstinline{javac main.java} +\item Ausführen: \lstinline{java main < sample.in} +\item Einlesen: +\lstset{language=Java} +\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} +\end{itemize} + +\subsection{BigInteger} +Hier ein kleiner überblick über die Methoden der Klasse BigInteger: +\begin{lstlisting} +//Returns this +,*,/,- val +BigInteger add(BigInteger val), multiply(BigInteger val), divide(BigInteger val), substract(BigInteger val) + +//Returns this\(^e\) +BigInteger pow(BigInteger e) + +//Bit-Operations +BigInteger and(BigInteger val), or(BigInteger val), xor(BigInteger val), not(), shiftLeft(int n), shiftRight(int n) + +//Returns the greatest common divisor of abs(this) and abs(val) +BigInteger gcd(BigInteger val) + +//Returns this mod m, this\(^{-1}\) mod m, this\(^e\) mod m +BigInteger mod(BigInteger m), modInverse(BigInteger m), modPow(BigInteger e, BigInteger m) + +//Returns the next number that is greater than this and that is probably a prime. +BigInteger nextProbablePrime() + +//Converting BigInteger. Attention: If the BigInteger is to big the lowest bits were choosen which fits into the converted data-type. +int intValue(), long longValue(), float floatValue(), double doubleValue() +\end{lstlisting} +\lstset{language=C++} \ No newline at end of file -- cgit v1.2.3