Oracle
1Z0-819 · Question #93
1Z0-819 Question #93: Real Exam Question with Answer & Explanation
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Question
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 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?
Options
- Amap(e -> e.getLocality()) .distinct().count();
- Bmap(e -> e.getLocality()) .collect(Collectors.toMap());
- Cmap(e -> e.getLocality()) .count();
- Ddistinct() .count();
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