Explore topic-wise MCQs in Java.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.

1.

Which API gets the SocketAddress (usually IP address + port number) of the remote host that this packet is being sent to or is coming from?

A. getSocketAddress()
B. getAddress()
C. address()
D. none of the mentioned
Answer» B. getAddress()
2.

Which of these methods of DatagramPacket is used to find the length of byte array?

A. getnumber()
B. length()
C. Length()
D. getLength()
Answer» E.
3.

Which of these class is necessary to implement datagrams?

A. DatagramPacket
B. DatagramSocket
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned