Enum EqualsTester.NotAnInstance

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<EqualsTester.NotAnInstance>
    Enclosing class:
    EqualsTester

    private static enum EqualsTester.NotAnInstance
    extends java.lang.Enum<EqualsTester.NotAnInstance>
    Class used to test whether equals() correctly handles an instance of an incompatible class. Since it is a private inner class, the invoker can never pass in an instance to the tester
    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description
      EQUAL_TO_NOTHING  
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private NotAnInstance()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static EqualsTester.NotAnInstance valueOf​(java.lang.String name)
      Returns the enum constant of this type with the specified name.
      static EqualsTester.NotAnInstance[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      • Methods inherited from class java.lang.Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait
    • Constructor Detail

      • NotAnInstance

        private NotAnInstance()
    • Method Detail

      • values

        public static EqualsTester.NotAnInstance[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
        for (EqualsTester.NotAnInstance c : EqualsTester.NotAnInstance.values())
            System.out.println(c);
        
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf

        public static EqualsTester.NotAnInstance valueOf​(java.lang.String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null