1. What will ordinal() method provide?
   

   
   enum Season {
           WINTER, SPRING, SUMMER, FALL
       };
       System.out.println(Season.WINTER.ordinal());
   

1. 1. 1

   
   
   

   2. 0

   
   
   

   3. 3

   
   
   

   4. 2

   
   
   

   5. -1

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   ordinal() method provides number to the variables defined in Enum.

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2. What is the output of below code snippet?
   

   
    enum Levels 
   {
       private BOTTOM,
    
       public MEDIUM,
    
       protected TOP;
   }
   

1. 1. Runtime Error
      

   
   
   

   2. EnumNotDefined Exception

   
   
   

   3. Compilation Error

   
   
   

   4. It runs successfully

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Enum cannot have any modifiers. They are public, static and final by default.

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3. What is the output of below code snippet?
   

   
   class Z
   {
    
   }
    
   enum Enums extends Z
   {
       DCB, FEG, HIJ, LMN;
   }
   

   
   

1. 1. Compilation Error
      

   
   
   

   2. Runtime Error

   
   
   

   3. It runs successfully

   
   
   

   4. EnumNotDefined Exception

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Enum types cannot extend class.

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4. If we try to add Enum constants to a TreeSet, what sorting order will it use?
   

1. 1. Sorted in alphabetical order of Enums
      

   
   
   

   2. Sorted in the order of declaration of Enums

   
   
   

   3. Sorted based on order() method

   
   
   

   4. Sorted in descending order of names of Enums

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Tree Set will sort the values in the order in which Enum constants are declared.

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5. What is the output of below code snippet?
   

   
   enum Enums
   {
       D, E, F;
    
       private Enums()
       {
           System.out.println(20);
       }
   }
    
   public class MainClass
   {
       public static void main(String[] args)
       {
           Enum en = Enums.E;
       }
   }
   

   
   

1. 1. Runtime Exception

   
   
   

   2. 20

   
   
   

   3. Compilation Error

   
   
   

   4. 10

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   The constructor of Enums is called which prints 20.

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