Oracle Updated 1z0-809 Exam Questions and Answers by juliette

Given the code fragment:

What is the result?

Given the content of the files:

Given the code fragment from the Test. java file:

What is the result?

Given the code fragment:

List empDetails = Arrays.asList(“100, Robin, HR”, “200, Mary, AdminServices”,“101, Peter, HR”);

empDetails.stream()

.filter(s-> s.contains(“r”))

.sorted()

.forEach(System.out::println); //line n1

What is the result?

Given the code fragments:

interface CourseFilter extends Predicate {

public default boolean test (String str) {

return str.contains (“Java”);

}

}

and

List strs = Arrays.asList(“Java”, “Java EE”, “Embedded Java”);

Predicate cf1 = s - > s.length() > 3;

Predicate cf2 = new CourseFilter() { //line n1

public boolean test (String s) {

return s.startsWith (“Java”);

}

};

long c = strs.stream()

.filter(cf1)

.filter(cf2//line n2

.count();

System.out.println(c);

What is the result?