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Oracle 1Z0-809 Exam Dumps

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VENDOR

Oracle

Exam Code

1Z0-809

EXAM NAME

Java SE 8 Programmer II

TOTAL QUESTIONS

208

RELATED CERTIFICATION

Oracle Java Certification

TIME DURATION

150 minutes

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$45

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Question 1

Given the code fragments: 4. void doStuff() throws ArithmeticException, NumberFormatException, Exception { 5. if (Math.random() >-1 throw new Exception (''Try again''); 6. } and 24. try { 25. doStuff ( ): 26. } catch (ArithmeticException | NumberFormatException | Exception e) { 27. System.out.println (e.getMessage()); } 28. catch (Exception e) { 29. System.out.println (e.getMessage()); } 30. } Which modification enables the code to print Try again?

Question 2

Given: class RateOfInterest { public static void main (String[] args) { int rateOfInterest = 0; String accountType = ''LOAN''; switch (accountType) { case ''RD''; rateOfInterest = 5; break; case ''FD''; rateOfInterest = 10; break; default: assert false: ''No interest for this account''; //line n1 } System.out.println (''Rate of interest:'' + rateOfInterest); } } and the command: java --ea RateOfInterest What is the result?

Question 3

What is the result?

Question 4

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?

Question 5

Given: class UserException extends Exception { } class AgeOutOfLimitException extends UserException { } and the code fragment: class App { public void doRegister(String name, int age) throws UserException, AgeOutOfLimitException { if (name.length () < 6) { throw new UserException (); } else if (age >= 60) { throw new AgeOutOfLimitException (); } else { System.out.println(''User is registered.''); } } public static void main(String[ ] args) throws UserException { App t = new App (); t.doRegister(''Mathew'', 60); } } What is the result?