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Referenzen
Beschreibung
public class Reference {
public static void main(String[] args) {
int var1 = 4;
int var2 = var1;
var1 = 8;
System.out.println(var2);
Number ref1 = new Number(4);
Number ref2 = ref1;
ref1.number = 8;
System.out.println(ref2.number);
}
}
Aufgaben
- Schreibe die Klassen
Numberdie zu dem Quelltext oben passt. - Führe das Programm aus. Was beobachtest Du? Was kannst Du daraus folgern?