September 2021
Intermediate to advanced
424 pages
9h 18m
German
Content preview from Einfach Java
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3Strings
Wir haben schon ein paar Mal Strings verwendet, ohne viel darüber nachzudenken. Als kurze Erinnerung: Variablen vom Typ String modellieren Zeichenketten und dienen zur Verwaltung von textuellen Informationen. In diesem Kapitel schauen wir uns die Thematik genauer an und beginnen unsere Entdeckungsreise zu Zeichenketten.
3.1Schnelleinstieg
3.1.1Gebräuchliche Stringaktionen
Stringkonkatenation
Ein sehr gebräuchlicher Anwendungsfall ist das Zusammenfügen von Strings, auch Konkatenieren genannt. Dazu dient bekanntlich der Operator '+'. Nachfolgend kombinieren wir den Vor- und Nachnamen des Autors mit einem Abstand von einem Leerzeichen:
jshell> String firstName = "Michael"
firstName ==> "Michael"
jshell> String lastName = "Inden"
lastName ...
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