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

Given:

and the code fragment:

Which modification enables the code fragment to print Speaker?

Given the definition of the Country class:

public class country {

public enum Continent {ASIA, EUROPE}

String name;

Continent region;

public Country (String na, Continent reg) {

name = na, region = reg;

}

public String getName () {return name;}

public Continent getRegion () {return region;}

}

and the code fragment:

List couList = Arrays.asList (

new Country (“Japan”, Country.Continent.ASIA),

new Country (“Italy”, Country.Continent.EUROPE),

new Country (“Germany”, Country.Continent.EUROPE));

Map> regionNames = couList.stream ()

.collect(Collectors.groupingBy (Country ::getRegion,

Collectors.mapping(Country::getName, Collectors.toList()))));

System.out.println(regionNames);

What is the output?

Given the code fragment:

Assume that dbURL, userName, and password are valid.

Which code fragment can be inserted at line n1 to enable the code to print Connection Established?

The data.doc, data.txt and data.xml files are accessible and contain text.

Given the code fragment:

Stream paths = Stream.of (Paths. get(“data.doc”),

Paths. get(“data.txt”),

Paths. get(“data.xml”));

paths.filter(s-> s.toString().endWith(“txt”)).forEach(

s -> {

try {

Files.readAllLines(s)

.stream()

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

} catch (IOException e) {

System.out.println(“Exception”);

}

}

);

What is the result?