91. Which of these class is used to create servers that listen for either local or remote client programs?
92. How many methods Serializable has?
93. 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.
94. Which of the following methods is not used while Serialization and DeSerialization?
95. What will be the output of the following Java program?
import java.net.*;
class networking
{
public static void main(String[] args) throws UnknownHostException
{
InetAddress obj1 = InetAddress.getByName("cisco.com");
System.out.print(obj1.getHostName());
}
}
import java.net.*;
class networking
{
public static void main(String[] args) throws UnknownHostException
{
InetAddress obj1 = InetAddress.getByName("cisco.com");
System.out.print(obj1.getHostName());
}
}96. Which of these process occur automatically by java run time system?
97. What will be the output of the following Java program?
import java.io.*;
class streams
{
public static void main(String[] args)
{
try
{
FileOutputStream fos = new FileOutputStream("serial");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeFloat(3.5);
oos.flush();
oos.close();
}
catch(Exception e)
{
System.out.println("Serialization" + e);
System.exit(0);
}
try
{
float x;
FileInputStream fis = new FileInputStream("serial");
ObjectInputStream ois = new ObjectInputStream(fis);
x = ois.readInt();
ois.close();
System.out.println(x);
}
catch (Exception e)
{
System.out.print("deserialization");
System.exit(0);
}
}
}
import java.io.*;
class streams
{
public static void main(String[] args)
{
try
{
FileOutputStream fos = new FileOutputStream("serial");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeFloat(3.5);
oos.flush();
oos.close();
}
catch(Exception e)
{
System.out.println("Serialization" + e);
System.exit(0);
}
try
{
float x;
FileInputStream fis = new FileInputStream("serial");
ObjectInputStream ois = new ObjectInputStream(fis);
x = ois.readInt();
ois.close();
System.out.println(x);
}
catch (Exception e)
{
System.out.print("deserialization");
System.exit(0);
}
}
}98. Which of these is a method of ObjectInput interface used to deserialize an object from a stream?
99. Which of these method of DatagramPacket is used to obtain the byte array of data contained in a datagram?
100. What will be the output of the following Java program?
import java.net.*;
class networking
{
public static void main(String[] args) throws MalformedURLException
{
URL obj = new URL("https://www.example.com/javamcq");
System.out.print(obj.getPort());
}
}
import java.net.*;
class networking
{
public static void main(String[] args) throws MalformedURLException
{
URL obj = new URL("https://www.example.com/javamcq");
System.out.print(obj.getPort());
}
}Read More Section(Java Serialization and Networking)
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