import java.util.Comparator;
import java.util.Set;
import java.util.TreeSet;
public class TreeSetTest_1 {
public static void main(String[] args) {
Set<Person> set = new TreeSet<>(new Comparator<>() {
@Override
public int compare(Person o1, Person o2) {
return o1.name.compareTo(o2.name);
}
});
Person p1 = new Person("THRFUR");
Person p2 = new Person("FURTHR");
set.add(p1);
set.add(p2);
System.out.println(set);
}
}
class Person {
public String name;
public Person(String name) {
this.name = name;
}
public String toString() {
return "Name: " + name;
}
}
运行结果：
[Name: FURTHR, Name: THRFUR]
