ตัวอย่าง
package demo.loop;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class SortListExample {
/**
* @param args
*/
public static void main(String[] args) {
List unsortList = new ArrayList();
unsortList.add("Java");
unsortList.add("XML");
unsortList.add("1");
unsortList.add("AJAX");
unsortList.add("SQL");
unsortList.add("2");
unsortList.add("ASP.Net");
unsortList.add("3");
unsortList.add("JavaScript");
//before sort
System.out.println("List is unsort .............");
for(String temp: unsortList){
System.out.println(temp);
}
//sort the list
Collections.sort(unsortList);
//after sorted
System.out.println("List is sorted.............");
for(String temp: unsortList){
System.out.println(temp);
}
}
}
ผลลัพธ์ที่ได้คือ
List is unsort ............. Java XML 1 AJAX SQL 2 ASP.Net 3 JavaScript List is sorted............. 1 2 3 AJAX ASP.Net Java JavaScript SQL XML
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