Given: public class Employee { private String name; private String locality; /* the constructor, getter and setter methods code goes here */ } and: List roster = new ArrayList(); int empCount = roster.stream(). /* insert code here */ // line 10 System.out.print(empCount); Which code, when inserted on line 10, prints the number of unique localities from the roster list?

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Given: public class Employee { private String name; private String locality; /* the constructor, getter and setter methods code goes here */ } and: List roster = new ArrayList<>(); int empCount = roster.stream(). /* insert code here */ // line 10 System.out.print(empCount); Which code, when inserted on line 10, prints the number of unique localities from the roster list?

Accepted Answer

A. map(e -> e.getLocality())
.distinct().count();

Answer

B. map(e -> e.getLocality())
.collect(Collectors.toMap());

Answer

C. map(e -> e.getLocality())
.count();

Answer

D. distinct()
.count();

Given: public class Employee { private String name; private String locality; / the constructor, getter and setter methods code goes here / } and: List<Employee> roster = new ArrayList<>(); int…

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