Keep upper and lowercase letters together : Comparator « Collections Data Structure « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JDK 6
25.JNDI LDAP
26.JPA
27.JSP
28.JSTL
29.Language Basics
30.Network Protocol
31.PDF RTF
32.Reflection
33.Regular Expressions
34.Scripting
35.Security
36.Servlets
37.Spring
38.Swing Components
39.Swing JFC
40.SWT JFace Eclipse
41.Threads
42.Tiny Application
43.Velocity
44.Web Services SOA
45.XML
Java » Collections Data Structure » ComparatorScreenshots 
Keep upper and lowercase letters together
Keep upper and lowercase letters together
    
// : c11:AlphabeticSorting.java
//Keep upper and lowercase letters together.
//From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
//www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.util.Arrays;
import java.util.Comparator;

public class AlphabeticSorting {
  public static void main(String[] args) {
    String[] sa = new String[] { "a""c""b" };

    System.out.println("Before sorting: " + Arrays.asList(sa));
    Arrays.sort(sa, new AlphabeticComparator());
    System.out.println("After sorting: " + Arrays.asList(sa));
  }
///:~

class AlphabeticComparator implements Comparator {
  public int compare(Object o1, Object o2) {
    String s1 = (Stringo1;
    String s2 = (Stringo2;
    return s1.toLowerCase().compareTo(s2.toLowerCase());
  }
///:~



           
         
    
    
    
  
Related examples in the same category
1.Creating a Comparable objectCreating a Comparable object
2. Writing Your own Comparator Writing Your own Comparator
3.A Class Implementing Comparable
4.Comparator for comparing strings ignoring first character
5.List and Comparators
6.Sort backwards
7.Company and Employee
8.Search with a Comparator
9.Uses anonymous inner classesUses anonymous inner classes
10.Building the anonymous inner class in-placeBuilding the anonymous inner class in-place
11.Sort an array of strings in reverse order.
12.Sort an array of strings, ignore case difference.
13.Comparator uses a Collator to determine the proper, case-insensitive lexicographical ordering of two strings.
14.Using the Comparable interface to compare and sort objects
15.Sort on many(more than one) fields
16.File Name Comparator
17.Comparator similar to String.CASE_INSENSITIVE_ORDER, but handles only ASCII characters
18.Natural Order Comparator
19.Reverse Order Comparator
20.A Comparator for Boolean objects that can sort either true or false first
21.Invertible Comparator
22.This program animates a sort algorithm
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.