The Java URL class (from java.net package) is used to represent and manipulate Uniform Resource Locators. It provides methods to access various components of a URL such as protocol, host, port, file, and query, and is essential for building network-enabled Java applications.
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Which constructor is valid for creating a URL object?
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Question 4 of 15
4. Question
Which method returns the protocol of a URL object?
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Question 5 of 15
5. Question
What does the getHost() method of URL class return?
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Question 6 of 15
6. Question
What will getPath() return for the URL https://example.com/data/file.txt?
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Question 7 of 15
7. Question
Which method is used to open a connection to the specified URL?
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Question 8 of 15
8. Question
What exception must be handled when using new URL()?
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Question 9 of 15
9. Question
What type of object does url.openStream() return?
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Question 10 of 15
10. Question
Can we use URL to connect to an FTP server?
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Question 11 of 15
11. Question
What method retrieves the port number from a URL?
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Question 12 of 15
12. Question
What will url.getFile() return for https://example.com/page.html?name=test?
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Question 13 of 15
13. Question
Which method gets the full query string from a URL?
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Question 14 of 15
14. Question
Which of the following is not a method of the URL class?
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Question 15 of 15
15. Question
What is the output of url.getDefaultPort() for HTTPS?
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Summary
The Java URL class is essential for network programming and is used to parse and interact with internet resources through URLs. From reading web pages to accessing REST APIs, understanding URL class methods like getHost(), getQuery(), and openStream() is crucial for every Java developer.
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