逆转字符串

public class String58_1 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String nextLine = scanner.nextLine();
String s = reverseWords(nextLine);
}
public static String reverseWords(String s) {
char[] chars = s.toCharArray();
System.out.println(Arrays.toString(chars));
StringBuilder builder = new StringBuilder();
for (int i=chars.length-1;i>=0;i–){
System.out.println(chars[i]);
builder.append(chars[i]);
}
return builder.toString();
}
}