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#Java - Code Snippets for '#Collections.sort' - 4 code snippet(s) found

 Sample 1. Sorting an arraylist using Collections.sort

List<String> myList = new ArrayList<String>();

System.out.println(myList); // Unsorted


System.out.println(myList); // Sorted

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 Sample 2. Sort a List using Collections.sort and comparator

Collections.sort(listClassInfo,new Comparator<ClassInfoBean>(){
public int compare(ClassInfoBean s1,ClassInfoBean s2){
if( < 0){
return -1;
} else {
return 1;


   Like      Feedback     sorting   sort   Collections.sort   sort a list   comparator   compare method  java.util.Collections

 Sample 3. Sort Entries of a Map by Value

public class BuggyBread {
   public static void main(String args[]) {
      Map<String,Integer> wordLength = new HashMap();
      String str = "We are what we repeatedly do; excellence, then, is not an act but a habit";
      for(String word: str.split(" ")){
            wordLength.put(word, word.length());
      List<Map.Entry<String, Integer>> list = new LinkedList<Map.Entry<String, Integer>>( wordLength.entrySet() );
      Collections.sort( list, new Comparator<Map.Entry<String, Integer>>()
public int compare( Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2 )
return (o1.getValue()).compareTo( o2.getValue() ) * -1;
} );

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 Sample 4. Sort list of strings using Lambda expressions

List<String> cities = (List<String>)Arrays.asList("Seattle","Atlanta","New York");
Collections.sort(cities,(x, y) -> x.compareTo(y));

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