how to remove person object with the same name in a list
/** * @author lautturi.com * Java example: distinct list objects by property of object */ import java.util.*; import java.util.stream.Collectors; class Person{ String name; int age; public Person(String string, int i) { name = string; age = i; } public String getName() { return name; } } public class Lautturi { public static void main(String[] args) { List<Person> persons = new ArrayList<Person>(); persons.add(new Person("Alan",13)); persons.add(new Person("Bob",25)); persons.add(new Person("James",22)); persons.add(new Person("Tom",22)); persons.add(new Person("Alan",23)); Set<String> set = new HashSet<>(persons.size()); persons = persons.stream().filter(p -> set.add(p.getName())).collect(Collectors.toList()); for (Person p : persons) { System.out.print(p.getName()+" "); } } }Sourec:www.lautturi.com
output:
Alan Bob James Tom