Java dynamic polymorphism ✨

Web Reference: Not only in Java, this syntax is available within PHP, Objective-C too. In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs. It's a shortcut for an if-else statement, and is also known as a conditional operator. In Perl/PHP it works as: Jan 2, 2010 · 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form. ex :- To use your example: The binary representation of 5 is 0101. The binary representation of 4 is 0100. While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator. return (Collection<Car>) CollectionUtils.select(list...

YouTube Excerpt: Java dynamic runtime polymorphism tutorial explained #java #dynamic #polymorphism #runtime //************************************************* import java.util.Scanner; public class Main { public static void main(String[] args) { //Dynamic Polymorphism Scanner scanner = new Scanner(System.in); Animal animal; System.out.println("What animal do you want?"); System.out.print("(1=dog) or (2=cat): "); int choice = scanner.nextInt(); if(choice==1) { animal = new Dog(); animal.speak(); } else if(choice==2) { animal = new Cat(); animal.speak(); } else { animal = new Animal(); System.out.println("That choice was invalid"); animal.speak(); } } } //************************************************* public class Animal { public void speak() { System.out.println("animal goes *brrrr*"); } } //************************************************* public class Dog extends Animal{ @Override public void speak() { System.out.println("dog goes *bark*"); } } //************************************************* public class Cat extends Animal{ @Override public void speak() { System.out.println("cat goes *meow*"); } } //*************************************************

Java dynamic runtime polymorphism tutorial explained #java #dynamic #polymorphism...

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