public static String toLowerCase(String in) {final StringBuilder r = new StringBuilder(in.length());for (int i = 0; i < in.length(); i++)r.append(toLowerCase(in.charAt(i)));return r.toString();}

public static String toLowerCase ( String in ) { final StringBuilder r = new StringBuilder ( in . length ( ) ) ; for ( int i = 0 ; i < in . length ( ) ; i ++ ) r . append ( toLowerCase ( in . charAt ( i ) ) ) ; return r . toString ( ) ; }
public static string ToLowerCase(string @in){StringBuilder r = new StringBuilder(@in.Length);for (int i = 0; i < @in.Length; i++){r.Append(ToLowerCase(@in[i]));}return r.ToString();}
