Oracle 1z0-809 Exam Dumps
Java SE 8 Programmer II
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Oracle 1z0-809 Sample Questions
Question # 1Given: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 () <= 60) {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?
A. User is registered.
B. An AgeOutOfLimitException is thrown.
C. A UserException is thrown.
D. A compilation error occurs in the main method.
Question # 2
What is true about the java.sql.Statement interface?
A. It provides a session with the database.
B. It is used to get an instance of a Connection object by using JDBC drivers.
C. It provides a cursor to fetch the resulting data. D. It provides a class for executing SQL statements and returning the results. Answer: D
D. It provides a class for executing SQL statements and returning the results.
Question # 3
Given:interface Rideable {Car getCar (String name); }class Car {private String name;public Car (String name) {this.name = name;}}Which code fragment creates an instance of Car?
A. Car auto = Car (“MyCar”): : new;
B. Car auto = Car : : new;Car vehicle = auto : : getCar(“MyCar”);
C. Rideable rider = Car : : new;Car vehicle = rider.getCar(“MyCar”);
D. Car vehicle = Rideable : : new : : getCar(“MyCar”);
Question # 4
Given:public class Customer {private String fName;private String lName;private static int count;public customer (String first, String last) {fName = first, lName = last;++count;}static { count = 0; }public static int getCount() {return count; }}public class App {public static void main (String [] args) {Customer c1 = new Customer(“Larry”, “Smith”);Customer c2 = new Customer(“Pedro”, “Gonzales”);Customer c3 = new Customer(“Penny”, “Jones”);Customer c4 = new Customer(“Lars”, “Svenson”);c4 = null;c3 = c2;System.out.println (Customer.getCount());}}What is the result?
A. 0
B. 2
C. 3
D. 4
E. 5
Question # 5
Given the code fragment:List<String> empDetails = Arrays.asList(“100, Robin, HR”,“200, Mary, AdminServices”,“101, Peter, HR”);empDetails.stream().filter(s-> s.contains(“1”)).sorted().forEach(System.out::println); //line n1What is the result?
A. 100, Robin, HR101, Peter, HR
B. E. A compilation error occurs at line n1.
C. 100, Robin, HR101, Peter, HR200, Mary, AdminServices
D. 100, Robin, HR200, Mary, AdminServices101, Peter, HR
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