TP-metaprogrammation-test/TP3/ExempleOverride.java
2023-04-22 17:31:03 +02:00

37 lines
766 B
Java

class A {
public String unNomTresTresLong(int n) {
return "A" + n;
} }
class B extends A {
@Override
public String unNomTresTresLong(int n) {
return "B" + n;
} }
class C extends A {
@Override
public String unNonTresTresLong(int n) {
return "C" + n;
} }
class D extends A {
@Override
public String unNomTresTresLong(long n) {
return "D" + n;
} }
public class ExempleOverride {
static void verifier(String attendu, int i, A a) {
String calcul = a.unNomTresTresLong(i);
if (! calcul.equals(attendu)) {
System.out.println("Erreur: " + calcul + " au lieu de " + attendu);
} }
public static void main(String[] args) {
verifier("A0", 0, new A());
verifier("B1", 1, new B());
verifier("C2", 2, new C());
verifier("D3", 3, new D());
} }