Field Detail

• NONBMP_MIN

  public static final int NONBMP_MIN

  See Also:

  Constant Field Values

• NONBMP_MAX

  public static final int NONBMP_MAX

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  Constant Field Values

• SURROGATE1_MIN

  public static final char SURROGATE1_MIN

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  Constant Field Values

• SURROGATE1_MAX

  public static final char SURROGATE1_MAX

  See Also:

  Constant Field Values

• SURROGATE2_MIN

  public static final char SURROGATE2_MIN

  See Also:

  Constant Field Values

• SURROGATE2_MAX

  public static final char SURROGATE2_MAX

  See Also:

  Constant Field Values

Constructor Detail

• UTF16

  public UTF16​()

Method Detail

• combinePair

  public static int combinePair​(char high,
                                char low)

  Return the non-BMP character corresponding to a given surrogate pair surrogates.

  Parameters:

  high - The high surrogate.

  low - The low surrogate.

  Returns:

  the Unicode codepoint represented by the surrogate pair

• highSurrogate

  public static char highSurrogate​(int ch)

  Return the high surrogate of a non-BMP character

  Parameters:

  ch - The Unicode codepoint of the non-BMP character to be divided.

  Returns:

  the first character in the surrogate pair

• lowSurrogate

  public static char lowSurrogate​(int ch)

  Return the low surrogate of a non-BMP character

  Parameters:

  ch - The Unicode codepoint of the non-BMP character to be divided.

  Returns:

  the second character in the surrogate pair

• isSurrogate

  public static boolean isSurrogate​(int c)

  Test whether a given character is a surrogate (high or low)

  Parameters:

  c - the character to test

  Returns:

  true if the character is the high or low half of a surrogate pair

• isHighSurrogate

  public static boolean isHighSurrogate​(int ch)

  Test whether the given character is a high surrogate

  Parameters:

  ch - The character to test.

  Returns:

  true if the character is the first character in a surrogate pair

• isLowSurrogate

  public static boolean isLowSurrogate​(int ch)

  Test whether the given character is a low surrogate

  Parameters:

  ch - The character to test.

  Returns:

  true if the character is the second character in a surrogate pair