Java Networking and HTTP_在线真题试卷与模拟练习_Java Networking and HTTP_考试宝

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Given:public class Product { private long id; private String name; private double price; // Getters and setters ... }

Using WebSockets, you need to convert an instance of this class to a binary message and send it as a stream in an asynchronous way.

Which classes and methods do you have to use to implement these requirements?

How do you obtain an HttpRequest with the HttpClient API introduced in Java 9?

A parameter of type javax.websocket.EndpointConfig is automatically injected at runtime to methods annotated with:

What is the purpose of the Apache HttpClient CredentialsProvider interface?

Which interface do you have to implement in order to receive a notification when the servlet context has been initialized?

Working with HTTP Servlets gives you access to a variety of APIs and features specific to web applications. Which of the following is an example of those APIs/features?

What is the purpose of the RequestContent interceptor in the Apache HttpCore library?

Which of the following options represents the steps of an encoding operation?

What are the transmission protocol options most commonly used for SOAP and REST?

Given the following definitions:<servlet> <servlet-name>LogoutServlet</servlet-name> <servlet-class>com.example.servlets.LogoutServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>LogoutServlet</servlet-name> <url-pattern>/logout.html</url-pattern> </servlet-mapping> <filter> <filter-name>LoggingFilter</filter-name> <filter-class>com.example.filters.LoggingFilter</filter-class> </filter>

Which of the following options maps LoggingFilter to LogoutServlet?

You are implementing a web service that will be consumed exclusively by browser-based clients. Would SOAP or REST be more appropriate for the service?

What is the primary java.net package class for creating a connection from an application to a server via HTTP protocol?

In the WEB-INF/web.xml file, how would you define the file http://localhost:8080/index.jsp as the default web page of the application?

You would like to create a web service with JAX-WS. How can you proceed?

What is the purpose of the Stream Identifier in an HTTP/2 frame?

Given:WebSocketContainer.connectToServer( MyClient.class, URI.create("wss://example.com") );

Given:char[] myArray = new char[5]; CharBuffer buffer = CharBuffer.wrap(myArray); buffer.put('w').put('o').put('r').put('d');

After the following line is executed:

buffer.put(0, 'l').put('s');

What will be the output if you print myArray?

ou need to create custom CloseableHttpClient instances with Apache's HttpClient library that use the same proxy and timeout settings in multiple points of a codebase. What is the most convenient way to do this?

What is the default HTTP protocol version for the HttpClient API introduced in Java 9?

How do servlets handle multiple requests from clients?