dynamic method dispatch

dynamic method dispatch

can you give a good example for dynamic method dispatch (run time polymorphism)
View Answers

March 6, 2010 at 4:41 PM

Hi Friend,

In dynamic method dispatch,super class refers to subclass object and implements method overriding.
Example:

class Flower {
void which() {
System.out.println("A Beautiful flower.");
}
}
class Rose extends Flower {
void which() {
System.out.println("Rose");
}
}
class Lotus extends Flower {
void which() {
System.out.println("Lotus.");
}
}
class Test {

public static void main(String[] args) {
Flower ref1 = new Flower();
Flower ref2 = new Rose();
Flower ref3 = new Lotus();
ref1.which();
ref2.which();
ref3.which();
}
}

Thanks

September 2, 2012 at 4:02 PM

the process of binding appropriate version of derived class (which is derived from base class) with base class object is called dynamic method binding od dynamic method dispatch

example: class Flower { void which() { System.out.println("A Beautiful flower."); } } class Rose extends Flower { void which() { System.out.println("Rose"); } } class Lotus extends Flower { void which() { System.out.println("Lotus."); } } class Test {

public static void main(String[] args) { Flower ref1 = new Flower(); Flower ref2 = new Rose(); Flower ref3 = new Lotus(); ref1.which(); ref2.which(); ref3.which(); } }









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