From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- .../hjp5/examples/Listing1503.java | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java') diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java new file mode 100644 index 0000000..f71e2ce --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java @@ -0,0 +1,25 @@ +/* Listing1503.java */ + +import java.util.*; + +public class Listing1503 +{ + public static void main(String[] args) + { + HashSet set = new HashSet(10); + int doubletten = 0; + //Lottozahlen erzeugen + while (set.size() < 6) { + int num = (int)(Math.random() * 49) + 1; + if (!set.add(new Integer(num))) { + ++doubletten; + } + } + //Lottozahlen ausgeben + Iterator it = set.iterator(); + while (it.hasNext()) { + System.out.println(((Integer)it.next()).toString()); + } + System.out.println("Ignorierte Doubletten: " + doubletten); + } +} \ No newline at end of file -- cgit v1.2.3