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Soit la classe suivante :
public final class Singleton {
private static Singleton instance;
private String value;
private Singleton(String value) {
this.value = value;
}
public static Singleton getInstance(String value) {
if (instance == null) {
instance = new Singleton(value);
}
return instance;
}
}
Quelles affirmations sont vraies ?
A quelle design pattern ce code fait il référence ?
package com.Mystere;public class Mystere { static Mystere instance=null; private Mystere(){ } public static Mystere getInstance(){ if (instance==null){ instance = new Mystere(); } return instance; }}
Veuillez associer les cas d'usages des cinq design pattern vue en cours.