Method isSupplementaryCodePoint

classpath/java/lang/Character.java:200–202

(int codePoint)

  }

  public static boolean isSupplementaryCodePoint(int codePoint) {
    return codePoint >= 0x10000 && codePoint <= 0x10FFFF;
  }

  private static boolean canCastToChar(int codePoint) {
    return (codePoint >= 0 && codePoint <= 0xFFFF);