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

 Sample 1. Sort a List using Collections.sort and comparator

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

}});

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


 Sample 2. Sorting an arraylist using Collections.sort

List<String> myList = new ArrayList<String>();
myList.add("D");
myList.add("A");
myList.add("B");
myList.add("C");
myList.add("E");

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

Collections.sort(myList);

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

   Like      Feedback     list  arraylist  collections.sort  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;
}
} );
      
      System.out.println(list);
      
   }
}

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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));
System.out.println(cities);

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