Networking - httpd.java Class Questions & Answers

This section of our 1000+ Java MCQs focuses on httpd.java of Java Programming Language.

1. Which of these methods of httpd class is used to read data from the stream?
a) getDta()
b) GetResponse()
c) getStream()
d) getRawRequest()
View Answer

Answer: d
Explanation: The getRawRequest() method reads data from a stream until it gets two consecutive newline characters.

2. Which of these method of httpd class is used to get report on each hit to HTTP server?
a) log()
b) logEntry()
c) logHttpd()
d) logResponse()
View Answer

Answer: b
Explanation: None.

3. Which of these methods are used to find a URL from the cache of httpd?
a) findfromCache()
b) findFromCache()
c) serveFromCache()
d) getFromCache()
View Answer

Answer: c
Explanation: serveFromCatche() is a boolean method that attempts to find a particular URL in the cache. If it is successful then the content of that cache entry are written to the client, otherwise it returns false.

4. Which of these variables stores the number of hits that are successfully served out of cache?
a) hits
b) hitstocache
c) hits_to_cache
d) hits.to.cache
View Answer

Answer: d
Explanation: None.

5. Which of these method of httpd class is used to write UrlCacheEntry object into local disk?
a) writeDiskCache()
b) writetoDisk()
c) writeCache()
d) writeDiskEntry()
View Answer

Answer: a
Explanation: The writeDiskCache() method takes an UrlCacheEntry object and writes it persistently into the local disk. It constructs directory names out of URL, making sure to replace the slash(/) characters with system dependent seperatorChar.

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6. What will be the output of the following Java program?

```
    import java.net.*;
```
```
    class networking 
```
```
    {
```

        public static void main(String[] args) throws Exception

```
        {
```

            URL obj = new URL("https://www.sanfoundry.com/javamcq");

            URLConnection obj1 = obj.openConnection();

            int len = obj1.getContentLength();

```
            System.out.print(len);
```
```
        }
```
```
    }
```

Note: Host URL is having length of content 127.
a) 126
b) 127
c) Compilation Error
d) Runtime Error
View Answer

Answer: b
Explanation: None.
Output:

$ javac networking.java
$ java networking 
127

7. Which of these method is used to start a server thread?
a) run()
b) start()
c) runThread()
d) startThread()
View Answer

Answer: a
Explanation: run() method is called when the server thread is started.

8. Which of these method is called when http daemon is acting like a normal web server?
a) Handle()
b) HandleGet()
c) handleGet()
d) Handleget()
View Answer

Answer: c
Explanation: None.

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