java:start
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen RevisionVorhergehende ÜberarbeitungNächste Überarbeitung | Vorhergehende Überarbeitung | ||
| java:start [2015-01-24 17:48] – [Tutorials] Link zu "Datenbankprogrammierung mit Java" eingefügt a.kamola | java:start [2015-03-09 19:01] (aktuell) – [Hello World] Link zu GitHub a.kamola | ||
|---|---|---|---|
| Zeile 1: | Zeile 1: | ||
| ====== Java ====== | ====== Java ====== | ||
| + | |||
| + | ===== Hello World ===== | ||
| + | |||
| + | <code java HelloWorld.java> | ||
| + | public class HelloWorld { | ||
| + | public static void main(String[] args) { | ||
| + | System.out.println(" | ||
| + | } | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | [[https:// | ||
| + | ===== Constructor ===== | ||
| + | |||
| + | ==== Constructor überladen ==== | ||
| + | |||
| + | <code java> | ||
| + | public class Foo { | ||
| + | // | ||
| + | // Variables | ||
| + | // | ||
| + | |||
| + | private String foo; | ||
| + | private String bar; | ||
| + | |||
| + | // | ||
| + | // Constructor | ||
| + | // | ||
| + | |||
| + | public Foo(String foo) { | ||
| + | this(foo, " | ||
| + | } | ||
| + | |||
| + | public Foo(String foo, String bar) { | ||
| + | this.foo = foo; | ||
| + | this.bar = bar; | ||
| + | } | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | ===== Zahlen ===== | ||
| + | |||
| + | ==== String als Int parsen ==== | ||
| + | |||
| + | <code java> | ||
| + | int number = Integer.parseInt(" | ||
| + | </ | ||
| + | |||
| + | ===== Collections ===== | ||
| + | |||
| + | ==== foreach-Schleife über eine Collection ==== | ||
| + | |||
| + | <code java> | ||
| + | Collection< | ||
| + | |||
| + | for (String phrase : phrases) { | ||
| + | // Code | ||
| + | } | ||
| + | </ | ||
| ===== Links ===== | ===== Links ===== | ||
| Zeile 9: | Zeile 68: | ||
| * [[https:// | * [[https:// | ||
| * [[https:// | * [[https:// | ||
| + | * [[https:// | ||
java/start.1422118115.txt.gz · Zuletzt geändert: 2015-01-24 17:48 von a.kamola