- Example 1: Write a function to reverse a string.
// Question #1
public static String reverse(final String s) {
final char[] chars = s.toCharArray();
final int pivot = chars.length / 2;
for (int i = 0; i < pivot; i++) {
final int pos = chars.length - i - 1;
final char c = chars[i];
final char d = chars[pos];