Java/Data Type/String sort
Содержание
Sort array values in case insensitive order
<source lang="java">
import java.util.Arrays; public class Main {
public static void main(String[] args) { String[] teams = new String[5]; teams[0] = "M"; teams[1] = "c"; teams[2] = "A"; teams[3] = "l"; teams[4] = "E"; Arrays.sort(teams); System.out.println(Arrays.toString(teams)); Arrays.sort(teams, String.CASE_INSENSITIVE_ORDER); System.out.println(Arrays.toString(teams)); }
}
</source>
Sorting a string List
<source lang="java">
import java.util.Arrays; import java.util.Collections; import java.util.List; public class Main {
public static void main(String[] argv) throws Exception { String[] strArray = new String[] { "z", "a", "A" }; List list = Arrays.asList(strArray); Collections.sort(list); Collections.sort(list, String.CASE_INSENSITIVE_ORDER); Collections.sort(list, Collections.reverseOrder()); Collections.sort(list, String.CASE_INSENSITIVE_ORDER); Collections.reverse(list); }
}
</source>
String.CASE_INSENSITIVE_ORDER
<source lang="java">
import java.util.Arrays; import java.util.Collections; import java.util.List; public class Main {
public static void main(String[] argv) throws Exception { String[] strArray = new String[] { "z", "a", "A" }; List list = Arrays.asList(strArray); Collections.sort(list); Collections.sort(list, String.CASE_INSENSITIVE_ORDER); Collections.sort(list, Collections.reverseOrder()); Collections.sort(list, String.CASE_INSENSITIVE_ORDER); Collections.reverse(list); }
}
</source>
StrSortCase demonstrates sorting of strings using
<source lang="java">
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002. * All rights reserved. Software written by Ian F. Darwin and others. * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS"" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee * cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s, * pioneering role in inventing and promulgating (and standardizing) the Java * language and environment is gratefully acknowledged. * * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for * inventing predecessor languages C and C++ is also gratefully acknowledged. */
import java.util.Collections; import java.util.Vector; /**
* StrSortCase demonstrates sorting of strings using Collections.sort AND * ignoring case. */
public class StrSortCase {
/** The list of strings to be sorted */ static public String rawStrings[] = { "Qwerty", "Ian", "de Raadt", "Java", "Gosling", "Alpha", "Zulu" }; Vector v = new Vector(); void load() { v = new Vector(); for (int i = 0; i < rawStrings.length; i++) v.addElement(rawStrings[i]); } void dump(String title) { System.out.println("***** " + title + " *****"); for (int i = 0; i < v.size(); i++) System.out.println("v[" + i + "]=" + v.elementAt(i)); } /** Simple main program to test the sorting */ public static void main(String[] argv) { //+ System.out.println("StrSort Demo Ignoring Case"); StrSortCase s = new StrSortCase(); s.load(); s.dump("Before"); Collections.sort(s.v, String.CASE_INSENSITIVE_ORDER); s.dump("After"); }
}
</source>