Opgaver

3 Kontrolstrukturer
3.1 Metodekald
Opgave 3.1.1
Betragt følgende program:
public class Exercise
{
public static void main(String args[])
{
A instance;
instance = new A(); instance.poiap();
instance = new B(); instance.poiap();
instance = new C(); instance.poiap();
instance = new D(); instance.poiap();
}
}
public class A
{
public String pop() { return "Apop "; }
public String pip() { return "Apip "; }
public String pap() { return "Apap "; }
public void poiap()
{
System.out.println( pop() + pip() + pap() );
}
}
public class B extends A
{
public String pop() { return "Bpop "; }
public String pap() { return "Bpap " + super.pap(); }
}
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