Package org.apache.lucene.analysis.util

# Class StemmerUtil

java.lang.Object
org.apache.lucene.analysis.util.StemmerUtil

public class StemmerUtil extends Object
Some commonly-used stemming functions

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static int`
  `delete(char[] s, int pos, int len)`
  Delete a character in-place
  `static int`
  `deleteN(char[] s, int pos, int len, int nChars)`
  Delete n characters in-place
  `static boolean`
  `endsWith(char[] s, int len, char[] suffix)`
  Returns true if the character array ends with the suffix.
  `static boolean`
  `endsWith(char[] s, int len, String suffix)`
  Returns true if the character array ends with the suffix.
  `static boolean`
  `startsWith(char[] s, int len, String prefix)`
  Returns true if the character array starts with the suffix.

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Method Details

  - ### startsWith

    public static boolean startsWith(char[] s, int len, String prefix)
    Returns true if the character array starts with the suffix.
    Parameters:
      `s` - Input Buffer
      `len` - length of input buffer
      `prefix` - Prefix string to test
    Returns:
      true if `s` starts with `prefix`

  - ### endsWith

    public static boolean endsWith(char[] s, int len, String suffix)
    Returns true if the character array ends with the suffix.
    Parameters:
      `s` - Input Buffer
      `len` - length of input buffer
      `suffix` - Suffix string to test
    Returns:
      true if `s` ends with `suffix`

  - ### endsWith

    public static boolean endsWith(char[] s, int len, char[] suffix)
    Returns true if the character array ends with the suffix.
    Parameters:
      `s` - Input Buffer
      `len` - length of input buffer
      `suffix` - Suffix string to test
    Returns:
      true if `s` ends with `suffix`

  - ### delete

    public static int delete(char[] s, int pos, int len)
    Delete a character in-place
    Parameters:
      `s` - Input Buffer
      `pos` - Position of character to delete
      `len` - length of input buffer
    Returns:
      length of input buffer after deletion

  - ### deleteN

    public static int deleteN(char[] s, int pos, int len, int nChars)
    Delete n characters in-place
    Parameters:
      `s` - Input Buffer
      `pos` - Position of character to delete
      `len` - Length of input buffer
      `nChars` - number of characters to delete
    Returns:
      length of input buffer after deletion