jodd-core/src/main/java/jodd/util/StringUtil.java
public static String reverse(final String s) {
		StringBuilder result = new StringBuilder(s.length());
		for (int i = s.length() -1; i >= 0; i--) {
			result.append(s.charAt(i));
		}
		return result.toString();
	}
public static String reverse(final String s) {
		StringBuilder result = new StringBuilder(s.length());
		for (int i = s.length() -1; i >= 0; i--) {
			result.append(s.charAt(i));
		}
		return result.toString();
	}
public static String reverse ( final String s ) { StringBuilder result = new StringBuilder ( s . length ( ) ) ; for ( int i = s . length ( ) - 1 ; i >= 0 ; i -- ) { result . append ( s . charAt ( i ) ) ; } return result . toString ( ) ; }
Reverse a string.
Reverse a string .