import java.util.*; | |
import java.util.stream.*; | |
class Test { | |
{ | |
Collector<Employee, ?, Map<Department, List<Employee>>> objectMapCollector = Collectors.groupingBy(Employee::getDepartment); | |
} | |
private class Employee { | |
public Department getDepartment() { | |
return new Department(); | |
} | |
} | |
private class Department {} | |
} |