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java Programming Glossary: collections.sorthttp://stackoverflow.com/questions/1073358/function-pointers-in-java is an an anonymous class implementing an interface e.g. Collections.sort list new Comparator MyClass public int compare MyClass a MyClass..
Sorting a collection of objects http://stackoverflow.com/questions/1206073/sorting-a-collection-of-objects String stringList new ArrayList String I can sort it with Collections.sort stringList But suppose I have a Person class public class Person.. interface once for each different sort order and use the Collections.sort method that takes a Comparator as additional parameter. share..
How do I sort a list with multiple sort parameters? http://stackoverflow.com/questions/1421322/how-do-i-sort-a-list-with-multiple-sort-parameters want to create my own sort methods i.e. I want to use Collections.sort personList someComparator . What is the most elegant solution.. public static void main String args List Person list null Collections.sort list decending getComparator NAME_SORT ID_SORT share improve..
Sorting an ArrayList of Contacts based on name? [duplicate] http://stackoverflow.com/questions/1814095/sorting-an-arraylist-of-contacts-based-on-name do List Contact contacts new ArrayList Contact Fill it. Collections.sort contacts If you want to define an external controllable ordering.. Fill it. Now sort by address instead of name default . Collections.sort contacts new Comparator Contact public int compare Contact one.. contacts new ArrayList Contact Fill it. Sort by address. Collections.sort contacts Contact.COMPARE_BY_ADDRESS Sort later by phone. Collections.sort..
Generics compiles and runs in Eclipse, but doesn't compile in javac http://stackoverflow.com/questions/2858799/generics-compiles-and-runs-in-eclipse-but-doesnt-compile-in-javac 0 Comparator Integer numbersComp nullComparableComparator Collections.sort numbers numbersComp System.out.println numbers null null 0 1.. Comparator String namesComp nullComparableComparator Collections.sort names namesComp System.out.println names null Alice Bob Carol..
http://stackoverflow.com/questions/416266/sorted-collection-in-java a Comparator . The difference with a List sorted using Collections.sort ... is that this will maintain order at all times and have good..
What is the difference between compare() and compareTo()? http://stackoverflow.com/questions/420223/what-is-the-difference-between-compare-and-compareto Comparable T in your class if you want to use it with Collections.sort or Arrays.sort methods. Defining a Comparator object You can..
Sorting a list of points with Java http://stackoverflow.com/questions/5178092/sorting-a-list-of-points-with-java 1 2 points.add new Point 60 50 points.add new Point 50 3 Collections.sort points new Comparator Point public int compare Point o1 Point..
Sort objects in ArrayList by date? http://stackoverflow.com/questions/5927109/sort-objects-in-arraylist-by-date .compareTo o.getDateTime And then you sort it by calling Collections.sort myList However sometimes you don't want to change your model.. In that case you can create comparator on the fly Collections.sort myList new Comparator MyObject public int compare MyObject o1.. .compareTo o.getDateTime Or in the second example Collections.sort myList new Comparator MyObject public int compare MyObject o1..
Highlights subString in the TableCell(s) which is using for JTable filetering http://stackoverflow.com/questions/6410839/highlights-substring-in-the-tablecells-which-is-using-for-jtable-filetering void coalesceHighlightAreas List Rectangle highlightAreas Collections.sort highlightAreas X_AXIS_RECTANGLE_COMPARATOR int i 0 while i highlightAreas.size..
http://stackoverflow.com/questions/780541/how-to-sort-hash-map List Person peopleByAge new ArrayList Person people.values Collections.sort peopleByAge new Comparator Person public int compare Person..
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