1Z1-816 무료 덤프문제 온라인 액세스

Which two are successful examples of autoboxing? (Choose two.)

• A.Long c = 23L;
• B.Double d = 4;
• C.Integer e = 5;
• D.Float f = 6.0;
• E.String a = "A";
• F.Float g = Float.valueOf(null);

Given an application with a main module that has this module-info.java file:

Which two are true? (Choose two.)

• A.To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails.
• B.A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.
• C.An implementation of country.countryDetails can be added to the main module.
• D.A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.
• E.To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.

A bookstore's sales are represented by a list of Sale objects populated with the name of the customer and the books they purchased.
public class Sale {
private String customer;
private List<Book> items;
// constructor, setters and getters not shown
}
public class Book {
private String name;
private double price;
// constructor, setters and getters not shown
}
Given a list of Sale objects, tList, which code fragment creates a list of total sales for each customer in ascending order?

• A.Option D
• B.Option A
• C.Option B
• D.Option C

Given the Person class with age and name along with getter and setter methods, and this code fragment:

What will be the result?

• A.Tom Aman Peter
• B.Aman Tom Peter
• C.Tom Peter Aman
• D.Aman Peter Tom

Given:

Which two are secure serialization of these objects? (Choose two.)

• A.Implement only readResolve to replace the instance with a serial proxy and not writeReplace.
• B.Define the serialPersistentFields array field.
• C.Implement only writeReplace to replace the instance with a serial proxy and not readResolve.
• D.Make the class abstract.
• E.Declare fields transient.