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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java | 25 |
1 files changed, 25 insertions, 0 deletions
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 |