package p; | |
import java.util.*; | |
class B { | |
public void bar() { | |
List<A> people = new ArrayList<>(); | |
Collections.sort(people, Comparator.comparing(A::newName)); // Case1 w/o space | |
Collections.sort(people, Comparator.comparing(A :: newName));// Case2 with space | |
} | |
} | |
public record A(int a , char c) { | |
String newName() { | |
return null; | |
} | |
} |