Answer by Dimitar Milanov for How to sort List of objects by some property
Here's what did the trick for me.Was much shorter and easier than everything else I found:Collections.sort(listName, Comparator.comparing(Object::getProperty).reversed());The ".reversed()" part at the...
View ArticleAnswer by Gergana Toncheva for How to sort List of objects by some property
public class ActiveAlarm { public long timeStarted; public long timeEnded; private String name = ""; private String description = ""; private String event; private boolean live =...
View ArticleAnswer by djklicks-dhananjay for How to sort List of objects by some property
The best and the easiest way to sort any list of objects in Java (Java 8 and above).Lets sort a basket of fruits based on the property "fruitName"Fruit POJO:class Fruit{ int price; String fruitName;...
View ArticleAnswer by nayan for How to sort List of objects by some property
Employee POJO Classpackage in.ac.adit.oop.sort;public class Employee { private int id; private String name; private String department; public int getId() { return id; } public Employee() { super(); }...
View ArticleAnswer by Frank Kevy for How to sort List of objects by some property
We can use the Comparator.comparing() method to sort a list based on an object's property.class SortTest{ public static void main(String[] args) { ArrayList<ActiveAlarm> activeAlarms = new...
View ArticleAnswer by Arvind Kumar Avinash for How to sort List of objects by some property
Java-8 solution using Stream API:A. When timeStarted and timeEnded are public (as mentioned in the requirement) and therefore do not (need to) have public getter methods:List<ActiveAlarm> sorted...
View ArticleAnswer by Karthikeyan for How to sort List of objects by some property
In java8+ this can be written in single line as follows:collectionObjec.sort(comparator_lamda) or...
View ArticleAnswer by Mathias G. for How to sort List of objects by some property
Since Java8 this can be done even cleaner using a combination of Comparator and Lambda expressionsFor Example:class Student{ private String name; private List<Score> scores; // +accessor...
View ArticleAnswer by John Fowler for How to sort List of objects by some property
JAVA 8 and Above Answer (Using Lambda Expressions)In Java 8, Lambda expressions were introduced to make this even easier! Instead of creating a Comparator() object with all of it's scaffolding, you can...
View ArticleAnswer by Alireza Fattahi for How to sort List of objects by some property
As mentioned you can sort by:Making your object implement ComparableOr pass a Comparator to Collections.sortIf you do both, the Comparable will be ignored and Comparator will be used. This helps that...
View ArticleAnswer by Jagadeesh for How to sort List of objects by some property
We can sort the list in one of two ways:1. Using Comparator : When required to use the sort logic in multiple placesIf you want to use the sorting logic in a single place, then you can write an...
View ArticleAnswer by Kal for How to sort List of objects by some property
public class ActiveAlarm implements Comparable<ActiveAlarm> { public long timeStarted; public long timeEnded; private String name = ""; private String description = ""; private String event;...
View ArticleAnswer by Richard H for How to sort List of objects by some property
In java you need to use the static Collections.sort method. Here is an example for a list of CompanyRole objects, sorted first by begin and then by end. You can easily adapt for your own object....
View ArticleAnswer by 卢声远 Shengyuan Lu for How to sort List of objects by some property
Guava's ComparisonChain:Collections.sort(list, new Comparator<ActiveAlarm>(){ @Override public int compare(ActiveAlarm a1, ActiveAlarm a2) { return ComparisonChain.start()...
View ArticleAnswer by MarcoS for How to sort List of objects by some property
You can use Collections.sort and pass your own Comparator<ActiveAlarm>
View ArticleAnswer by Jon Skeet for How to sort List of objects by some property
Either make ActiveAlarm implement Comparable<ActiveAlarm> or implement Comparator<ActiveAlarm> in a separate class. Then call:Collections.sort(list);orCollections.sort(list, comparator);In...
View ArticleAnswer by Liv for How to sort List of objects by some property
You can call Collections.sort() and pass in a Comparator which you need to write to compare different properties of the object.
View ArticleAnswer by jmj for How to sort List of objects by some property
Using ComparatorFor Example:class Score { private String name; private List<Integer> scores; // +accessor methods} Collections.sort(scores, new Comparator<Score>() { public int...
View ArticleHow to sort List of objects by some property
I have simple class public class ActiveAlarm { public long timeStarted; public long timeEnded; private String name = ""; private String description = ""; private String event; private boolean live =...
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