OnJava8-Examples/arrays/StringSorting.java

// arrays/StringSorting.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// Sorting an array of Strings.
import java.util.*;
import onjava.*;

public class StringSorting {
  public static void main(String[] args) {
    String[] sa = Generated.array(new String[20],
      new RandomSupplier.String(5));
    System.out.println(
      "Before sort: " + Arrays.toString(sa));
    Arrays.sort(sa);
    System.out.println(
      "After sort: " + Arrays.toString(sa));
    Arrays.sort(sa, Collections.reverseOrder());
    System.out.println(
      "Reverse sort: " + Arrays.toString(sa));
    Arrays.sort(sa, String.CASE_INSENSITIVE_ORDER);
    System.out.println(
      "Case-insensitive sort: " + Arrays.toString(sa));
  }
}
/* Output:
Before sort: [YNzbr, nyGcF, OWZnT, cQrGs, eGZMm, JMRoE,
suEcU, OneOE, dLsmw, HLGEa, hKcxr, EqUCB, bkIna, Mesbt,
WHkjU, rUkZP, gwsqP, zDyCy, RFJQA, HxxHv]
After sort: [EqUCB, HLGEa, HxxHv, JMRoE, Mesbt, OWZnT,
OneOE, RFJQA, WHkjU, YNzbr, bkIna, cQrGs, dLsmw, eGZMm,
gwsqP, hKcxr, nyGcF, rUkZP, suEcU, zDyCy]
Reverse sort: [zDyCy, suEcU, rUkZP, nyGcF, hKcxr, gwsqP,
eGZMm, dLsmw, cQrGs, bkIna, YNzbr, WHkjU, RFJQA, OneOE,
OWZnT, Mesbt, JMRoE, HxxHv, HLGEa, EqUCB]
Case-insensitive sort: [bkIna, cQrGs, dLsmw, eGZMm, EqUCB,
gwsqP, hKcxr, HLGEa, HxxHv, JMRoE, Mesbt, nyGcF, OneOE,
OWZnT, RFJQA, rUkZP, suEcU, WHkjU, YNzbr, zDyCy]
*/