## org.apache.lucene.util
Class StringInterner

    java.lang.Object
      org.apache.lucene.util.StringInterner

Direct Known Subclasses:
  SimpleStringInterner

    public class StringInterner

extends Object

Subclasses of StringInterner are required to return the same single String object for all equal strings. Depending on the implementation, this may not be the same object returned as String.intern(). This StringInterner base class simply delegates to String.intern().

Constructor Summary
`StringInterner()`

Method Summary
`String` `intern(char[] arr, int offset, int len)` Returns a single object instance for each equal string.
`String` `intern(String s)` Returns a single object instance for each equal string.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### StringInterner

    public StringInterner()

Method Detail

### intern

    public String intern(String s)

  Returns a single object instance for each equal string.

### intern

    public String intern(char[] arr,
                         int offset,
                         int len)

  Returns a single object instance for each equal string.