Module java.base
Package java.lang

Class Character.Subset

java.lang.Object
java.lang.Character.Subset
Direct Known Subclasses:
Character.UnicodeBlock,InputSubset
Enclosing class:
Character
public static classCharacter.SubsetextendsObject
Instances of this class represent particular subsets of the Unicode character set. The only family of subsets defined in theCharacter class isCharacter.UnicodeBlock. Other portions of the Java API may define other subsets for their own purposes.
Since:
1.2

  • Constructor Details

    • Subset

      protected Subset​(String name)
      Constructs a newSubset instance.
      Parameters:
      name - The name of this subset
      Throws:
      NullPointerException - if name isnull

  • Method Details

    • equals

      public final boolean equals​(Object obj)
      Compares twoSubset objects for equality. This method returnstrue if and only ifthis and the argument refer to the same object; since this method isfinal, this guarantee holds for all subclasses.
      Overrides:
      equals in class Object
      Parameters:
      obj - the reference object with which to compare.
      Returns:
      true if this object is the same as the obj argument;false otherwise.
      See Also:
      Object.hashCode(),HashMap

    • hashCode

      public final int hashCode()
      Returns the standard hash code as defined by theObject.hashCode() method. This method isfinal in order to ensure that theequals andhashCode methods will be consistent in all subclasses.
      Overrides:
      hashCode in class Object
      Returns:
      a hash code value for this object.
      See Also:
      Object.equals(java.lang.Object),System.identityHashCode(java.lang.Object)

    • toString

      public final String toString()
      Returns the name of this subset.
      Overrides:
      toString in class Object
      Returns:
      a string representation of the object.