Gibt zurueck ob das naechste Zeichen das selbe ist wie das Eingegebene.

@param c Zeichen zum Vergleich.
@return boolean
484110
public boolean isCurrentIgnoreSpace(String str) {
	if (!hasNext()) return false;
	int start = getPos();
	removeSpace();

	boolean is = isCurrent(str);
	setPos(start);
	return is;
    }
58810
private static boolean isNumericSuffix(char c)
  {
    if(c == 'L') return true;
    if(c == 'F') return true;
    if(c == 'D') return true;
    if(c == 'l') return true;
    if(c == 'f') return true;
    if(c == 'd') return true;
    return false;
  }
476345
private boolean containsEliminated(final CLClause c) {
        for (int i = 0; i < c.lits().size(); i++) { if (var(c.lits().get(i)).state() == CLVar.State.ELIMINATED) { return true; } }
        return false;
    }
991662
private final boolean doublec(int j) {
        if (j < 1) {
            return false;
        }
        if (b[j] != b[j - 1]) {
            return false;
        }
        return isConsonant(j);
    }
1278253
public static boolean sameClass(Class c, Object o) {
        if (o==null) return false;
        return o.getClass() == c;
    }
802824
public function isActive(&$c)
    {
        if ($c) {
            $cID = ($c->getCollectionPointerID() > 0) ? $c->getCollectionPointerOriginalID() : $c->getCollectionID();

            return $cID == $this->cID;
        }
    }
924122
private static boolean isAllowed(char c, String allow) {
        return (c >= 'A' && c <= 'Z')
                || (c >= 'a' && c <= 'z')
                || (c >= '0' && c <= '9')
                || "_-!.~'()*".indexOf(c) != NOT_FOUND
                || (allow != null && allow.indexOf(c) != NOT_FOUND);
    }
720321
public boolean addAll(Collection<? extends Character> c) {
        boolean retVal = false;
        final Iterator<? extends Character> i = c.iterator();
        int n = c.size();
        while (n-- != 0)
            if (add(i.next())) retVal = true;
        return retVal;
    }
703816
public boolean append(char c) {
        return set(get() == null ? String.valueOf(c) : get() + c);
    }
53414
public static boolean isEnglish(char c){
        //大部分字符在这个范围
        if(c > 'z' && c < 'Ａ'){
            return false;
        }
        if(c < 'A'){
            return false;
        }
        if(c > 'Z' && c < 'a'){
            return false;
        }
        if(c > 'Ｚ' && c < 'ａ'){
            return false;
        }
        if(c > 'ｚ'){
            return false;
        }
        return true;
    }
368201
private boolean localAtomAllowed(char c) {
        if (Scanners.isAlnum(c) || Scanners.isNonAscii(c)) {
            return true;
        }
        switch (c) {
            case '!':
            case '#':
            case '$':
            case '%':
            case '&':
            case '\'':
            case '*':
            case '+':
            case '-':
            case '/':
            case '=':
            case '?':
            case '^':
            case '_':
            case '`':
            case '{':
            case '|':
            case '}':
            case '~':
                return true;
        }
        return false;
    }
662481
private boolean sz_check(AutoBuffer ab) {
    final int absize = ab.size();
    if( _size == 0 ) { _size = absize; return true; }
    return _size==absize;
  }
461415
public static boolean endWith(@Nullable CharSequence s, char c) {
		if (StringUtils.isEmpty(s)) {
			return false;
		}
		return s.charAt(s.length() - 1) == c;
	}
860568
public static boolean isTokenSymbol(char c) {
        return (c == BEAN_SYMBOL
                || c == TEMPLATE_SYMBOL
                || c == PARAMETER_SYMBOL
                || c == ATTRIBUTE_SYMBOL
                || c == PROPERTY_SYMBOL);
    }
983229
public static boolean isJSSpace(int c) {
    if (c <= 127) {
      return c == 0x20 || c == 0x9 || c == 0xC || c == 0xB;
    } else {
      return c == 0xA0
          || Character.getType((char) c) == Character.SPACE_SEPARATOR;
    }
  }
690248
public static boolean hasSingleCharacterArg(Closure c) {
        if (c.getMaximumNumberOfParameters() != 1) return false;
        String typeName = c.getParameterTypes()[0].getName();
        return typeName.equals("char") || typeName.equals("java.lang.Character");
    }
1369704
public static boolean isPrintableChar(char ch) {
        if (ch >= 'a' && ch <= 'z') {
            return true;
        }
        if (ch >= 'A' && ch <= 'Z') {
            return true;
        }
        if (ch >= '0' && ch <= '9') {
            return true;
        }

        // loop thru our PRINTABLE string
        for (int i = 0; i < PRINTABLE.length(); i++) {
            if (ch == PRINTABLE.charAt(i)) {
                return true;
            }
        }

        return false;
    }