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/Listing1006.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing1006.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing1006.java | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1006.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1006.java new file mode 100644 index 0000000..01fabbf --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1006.java @@ -0,0 +1,38 @@ +/* Listing1006.java */
+
+class IntWrapper
+{
+ public int value;
+
+ public IntWrapper(int value)
+ {
+ this.value = value;
+ }
+}
+
+public class Listing1006
+{
+ public static void inc1(IntWrapper w)
+ {
+ ++w.value;
+ }
+
+ public static void inc2(int[] i)
+ {
+ ++i[0];
+ }
+
+ public static void main(String[] args)
+ {
+ //Variante 1: Übergabe in einem veränderlichen Wrapper
+ IntWrapper i = new IntWrapper(10);
+ System.out.println("i = " + i.value);
+ inc1(i);
+ System.out.println("i = " + i.value);
+ //Variante 2: Übergabe als Array-Element
+ int[] j = new int[] {10};
+ System.out.println("j = " + j[0]);
+ inc2(j);
+ System.out.println("j = " + j[0]);
+ }
+}
\ No newline at end of file |