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