NPTEL Programming In Java Week 10 Assignment Answers 2025
1. Which Swing component is used to create a button?
a. JLabel
b. JButton
C. JTextField
d. JPanel
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2. What does a toggle button in Java do?
a. It switches between two states, like on/off or enabled/disabled.
b. It only changes the color of the button when clicked.
c. It displays text inside the button.
d. It opens a new window when clicked.
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3. What is the primary purpose of SQL(Structured Query Language) in Java application?
a. To create and amange user interfaces
b. To interact with databases for data retrieval and manipulation
C. To performa systme-level operation like file management
d. To handle memory allocation in Java programs
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4. Which method is used in Java to check if a network interface is up and running?
a. isActive()
b. IsUp()
C. isRunning()
d. isConnected()
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5. Which of the following are considered as basic networking components in Java?
a. Socket and ServerSocket
b. String and Integer
C. JFrame and Jbutton
d. Scanner and System
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6. In context of the following URL, identify the correct option.
https://nptel.ac.in
a. There is no protocol provided in the above link.
b. The website provides a secure connection.
C. The given link is incomplete and hence cannot open a website.
d. The ac.in refers to the domain.
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7. Which of the following is/are application layer protocols)?
a. TCP
b. UDP
C. ARP
d. SMTP
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8.
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9. Which class provides methods to work with URLs?
a. URLConnection
b. HttpURL
c. NetURL
d. URL
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10. Which class in Java is used to create a server socket?
a. Socket
b. ServerSocket
C. DatagramSocket
d. HttpURLConnection
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