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Interview Questions and Answers for 'Deutche bank' - 2 question(s) found - Order By Newest

  Q1. What is the use of HashCode in objects ?Core Java
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Ans. Hashcode is used for bucketing in Hash implementations like HashMap, HashTable, HashSet etc.

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   Like      Discuss      Correct / Improve     java   string   hashcode   hash code   string comparison  hashtable     Verilogue  Deutche bank  Kasmo Cloud Solutions   Collabera  Virtusa Consulting  CenturyLink  HCL Technologies  Tata Consultancy (TCS)  Accenture  Accenture India  Polaris  Amdocs  Cognizant (CTS)  IBM  nagarvision   Synechron  Global Logic      basic        frequent


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  Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?
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 Q2. Draw uml for singleton pattern.Design2018-06-25 19:35:40

 This question was recently asked at 'deutche bank'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     design pattern   singleton     deutche bank


Related Questions

 Difference between Static and Singleton Class ?
 What is the difference between these two approaches of creating singleton Class ?

//Double Checked Locking Code
public static Singleton createInstance() {
   if(singleton == null){
      synchronized(Singleton.class) {
         if(singleton == null) {
            singleton = new Singleton();
         }
      }
   }
   return singleton;
}

//Single checked locking code
public static Singleton createInstance() {
   synchronized(Singleton.class) {
      if(singleton == null) {
         singleton = new Singleton();
      }
   }
   return singleton;
}
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