--%>

Source and listener

What do you mean by the term source and listener?

E

Expert

Verified

The source is an object which produces an event. This takes place when the internal state of that object changes in a certain manner. A listener is an object which is notified whenever an event takes place. It consists of two major requirements. First, it should have been registered with a source to receive the notifications regarding specific event. Second, it should implement essential methods to receive and process such notifications.

   Related Questions in Programming Languages

  • Q : Illustrates database connection pooling

    Illustrates database connection pooling which is relative to MTS. Answer: This permits MTS to reuse database connections. Pooling of database connections are put to

  • Q : What is Bridging method Bridging method

    Bridging method: A method which offers a bridge between methods of a class's public interface and its private implementation. Bridging methods will usually contain non-public visibility.

  • Q : Define Undeniable Signature Scheme

    Define Undeniable Signature Scheme?

  • Q : Explain Singleton pattern Singleton

    Singleton pattern: It is a pattern which permits us to make sure that only a single instance of a specific class exists at any one time. Such an instance is termed as singleton. The pattern can as well be employed whenever instances would have no excl

  • Q : Definition of Role Normal 0 false false

    Normal 0 false false

  • Q : What is Dotted decimal notation Dotted

    Dotted decimal notation: The notation employed to symbolize the 4-byte values of an IP address. Each and every byte is symbolized as a value between 0 to 255, for instance 129.12.0.1. The most noteworthy byte is written at first.

  • Q : Java program to sort ten numbers using

    Q. Write a java program to sort ten numbers using bubble sort method. Ans. class Bubble sort

    Q : Explain Global variable Global variable

    Global variable: It is a phenomenon which is more generally regarded as being a trouble in structured programming languages than in object-oriented languages. In structured programming language, like C or Pascal, a global variable is one stated outsid

  • Q : Explain Exclusive-or operator

    Exclusive-or operator: An exclusive-or operator (^) is both a Boolean operator and the bit manipulation operator. The Boolean version provides the value true when only one of its operands is true; or else it offers the value false. Likewise, the bit m

  • Q : Overloading and overriding in the

    Illustrate the difference between overloading and overriding in the programming language?