Android-java- How to sort a list of objects by a certain value within the object

by

Follow this code to sort any ArrayList

Collections.sort(myList, new Comparator<EmployeeClass>(){
    public int compare(EmployeeClass obj1, EmployeeClass obj2) {
        // ## Ascending order
        return obj1.firstName.compareToIgnoreCase(obj2.firstName); // To compare string values
        // return Integer.valueOf(obj1.empId).compareTo(Integer.valueOf(obj2.empId)); // To compare integer values

        // ## Descending order
        // return obj2.firstName.compareToIgnoreCase(obj1.firstName); // To compare string values
        // return Integer.valueOf(obj2.empId).compareTo(Integer.valueOf(obj1.empId)); // To compare integer values
        }
    });

More Related Contents:

  1. Sort ArrayList of custom Objects by property
  2. Sorting an ArrayList of objects using a custom sorting order
  3. How to use Comparator in Java to sort
  4. How to sort a List/ArrayList?
  5. Sorting a collection of objects [duplicate]
  6. How to sort an ArrayList in Java [duplicate]
  7. Sort Java Collection
  8. Why does PriorityQueue.toString return the wrong element order? [duplicate]
  9. Sorted collection in Java
  10. How can I sort a List alphabetically?
  11. Very confused by Java 8 Comparator type inference
  12. Sorting Java objects using multiple keys
  13. How to sort an arraylist of objects by a property?
  14. How to sort an ArrayList using multiple sorting criteria?
  15. Reverse a comparator in Java 8
  16. How to sort alphabetically while ignoring case sensitive?
  17. Why does Collections.sort use Mergesort but Arrays.sort does not?
  18. Java List Sorting: Is there a way to keep a list permantly sorted automatically like TreeMap?
  19. Is it faster to add to a collection then sort it, or add to a sorted collection?
  20. Sort a List of objects by multiple fields [duplicate]
  21. How to sort a Collection?
  22. Android how to sort JSONArray of JSONObjects
  23. How to use Collections.sort() in Java?
  24. Using a prepared statement and variable bind Order By in Java with JDBC driver
  25. What is the Simplest Way to Reverse an ArrayList?
  26. Sort List of Strings with Localization
  27. sorting a List of Map
  28. Java – Sort Strings like Windows Explorer
  29. Why Collections.sort uses merge sort instead of quicksort?
  30. Create a SortedMap in Java with a custom Comparator

Leave a Comment