PortUnreachableException class in Java

java.net.PortUnreachableException

Signals that an ICMP Port Unreachable message has been received on a connected datagram.

Declaration

public class PortUnreachableException extends SocketException {
    @java.io.Serial
    private static final long serialVersionUID = 8462541992376507323L;

   
    public PortUnreachableException(String msg) {
        super(msg);
    }

    public PortUnreachableException() {}
}

Methods

1. PortUnreachableException()

java.net.PortUnreachableException.PortUnreachableException()

Construct a new PortUnreachableException with no detailed message.

Java

package com.PortUnreachableException;

import java.net.PortUnreachableException;

public class PortUnreachableException1 {
    public static void main(String[] args) {

        PortUnreachableException exception = 
                       new PortUnreachableException();
        System.out.println(exception);
    }
}

Output:

java.net.PortUnreachableException

2. PortUnreachableException(String msg)

java.net.PortUnreachableException.PortUnreachableException(String msg)

Constructs a new PortUnreachableException with a detailed message.

Parameters: One parameter is required for this method.

msg: the detailed message

Java

package com.PortUnreachableException;

import java.net.PortUnreachableException;

public class PortUnreachableException2 {
    public static void main(String[] args) {

        String msg = "message";
        PortUnreachableException exception = 
                      new PortUnreachableException(msg);
        System.out.println(exception);
    }
}

Output:

java.net.PortUnreachableException: message