diff options
| 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/Listing1015.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java new file mode 100644 index 0000000..388a152 --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1015.java @@ -0,0 +1,49 @@ +/* Listing1015.java */
+
+interface StringIterator
+{
+ public boolean hasNext();
+ public String next();
+}
+
+class StringArray
+{
+ String[] data;
+
+ public StringArray(String[] data)
+ {
+ this.data = data;
+ }
+
+ public StringIterator getElements()
+ {
+ return new StringIterator()
+ {
+ int index = 0;
+ public boolean hasNext()
+ {
+ return index < data.length;
+ }
+ public String next()
+ {
+ return data[index++];
+ }
+ };
+ }
+}
+
+public class Listing1015
+{
+ static final String[] SAYHI = {"Hi", "Iterator", "Buddy"};
+
+ public static void main(String[] args)
+ {
+ //Collection erzeugen
+ StringArray strar = new StringArray(SAYHI);
+ //Iterator beschaffen und Elemente durchlaufen
+ StringIterator it = strar.getElements();
+ while (it.hasNext()) {
+ System.out.println(it.next());
+ }
+ }
+}
\ No newline at end of file |