Java vererbung methoden

/* Die Klassen Grossvater, Vater und Sohn sollen hier nur zur Veranschaulichung dienen */
class Grossvater { ... }
class Vater extends Grossvater{ ... }
class Sohn extends Vater { ... }
// Hier wird jeweils ein Objekt der oben aufgeführten Klassen erzeugt.
Object refA = new Grossvater();
Object refB = new Vater();
Object refC = new Sohn();
// Ausgabe des Rückgabewertes des instanceof-Operators
System.out.println(""+refA instanceof Grossvater);
System.out.println(""+refB instanceof Grossvater);
System.out.println(""+refC instanceof Grossvater);

Source: java-tutorial.org

Similar codes

0 vote166 views1 answer
Check authorities spring
Java
0 vote168 views1 answer
Jbutton open jframe java
Java
-1 vote203 views2 answers
Call activity method from adapter
Java
1 vote171 views1 answer
Syntax of a constructor in java
Java
1 vote178 views1 answer
Keyset sort java
Java
0 vote177 views4 answers
Java mahout get clusters centers
Java
0 vote180 views1 answer
Lcm of two large positive integers java
Java
0 vote198 views1 answer
Retrofit post body
Java
0 vote174 views1 answer
Md5 java ee
Java
6 votes183 views3 answers
How to call parameterized constructor of a Parent class in Inheritance
Java