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Differentiate between SMTP and POP3 server?
SMTP (Simple Mail Transfer Protocol) is a protocol used to send and receive eMail messages over a TCP/IP network. While POP3 (Post Office Protocol) is a protocol used for receiving eMail messages. A POP3 server maintains text files (one file per user accounts) holding all messages received through a user. eMail client interacts along with the POP3 server for discovering and downloading latest eMail messages.
The clustering regulates high scalability and availability. The basic considerations for servlet clustering are: 1. Objects opened in a session could be serializable to support
Explain final fields ? You may also declare fields to be final. This is not the similar thing as declaring a method or class to be final. While a field is declared final, it is
Need the following code in double var instead of integer. import javax.swing.*; public class arrayVar { public static void main (String[] args) //This is our main method prompt
You can declare a variable by the var statement such as: var strname = some value You can also declare a variable with simply assigning a value to the variable. Although, if
how to write java programe and example programe
Write a Java class that generates a random integer (between 1 and 250). Call the class GenKeys. GenKeys should have a least one method that returns the integer random number. Gen K
What is meant by semantic error? Occur while a statement executes and has an effect not intended through the programmer and Frequently times occur only in unusual & infrequent
No, java is not fully object oriented language due to it does not support "multiple inheritance" and "pointers" which are used in C++. But, by using Interfaces we can execute multi
Develop a simple polling (voting) web application according to the following specifications: 1. Initially a page should be presented to the user where he can enter his/her
How instant messaging works? Write the steps involved in this process? The Instant Messaging services available permit us to manage a list of people (contacts) that we interact
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