Oracle Updated 1z0-809 Exam Questions and Answers by bella-rose

Given:

From what threading problem does the program suffer?

You have been asked to create a ResourceBundle which uses a properties file to localize an application.

Which code example specifies valid keys of menu1 and menu2 with values of File Menu and View Menu?

Given the code fragment:

Which two code fragments, when inserted at line n1 independently, result in the output PEEK: Unix?

Given:

public class product {

int id; int price;

public Product (int id, int price) {

this.id = id;

this.price = price;

}

public String toString() { return id + “:” + price; }

}

and the code fragment:

List products = Arrays.asList(new Product(1, 10),

new Product (2, 30),

new Product (2, 30));

Product p = products.stream().reduce(new Product (4, 0), (p1, p2) -> {

p1.price+=p2.price;

return new Product (p1.id, p1.price);});

products.add(p);

products.stream().parallel()

.reduce((p1, p2) - > p1.price > p2.price ? p1 : p2)

.ifPresent(System.out: :println);

What is the result?