Polymorphism in Java is the ability to create member functions or fields that behaves differently in different programmatic contexts. It is one of the major building blocks ofobject-oriented programming, along withinheritance,abstractionandencapsulation. 1. What is Polymorphism? Polymorphism allows a clas...
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// Declares String reference variable str1 and str2 String str1; String str2; // Assigns the reference of a String object "Hello" to str1 str1 = new String( "Hello World !!" ); // Assigns the reference stored in str1 to str2 str2 = str1; System.out.println( str1 ); //Hel...
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Can polymorphism be achieved in programming languages other than Java? Yes, polymorphism is not exclusive to Java. Many object-oriented programming languages, such as C++, Python, and C#, support polymorphism. Although the syntax and implementation details may differ, the underlying concept remains th...
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In the previous question, you learned polymorphism. Now it’s time to expand your knowledge by understandingabstractionas well. A very complicated topic for any Java interview. 1.9.Abstraction vs. Encapsulation? Knowing the difference between abstraction andencapsulationis the key to profoundly understan...
It's not good enough to simply use inheritance and apply the rules of polymorphism to your code. To write SOLID code, and properly implement the Liskov substitution principle in Java, your code must be philosophically and behaviorally compliant as well. Ashik Patel is an associate full-stack de...
Polymorphism in Java Classes Polymorphism in Java is a concept by which we can perform a single action in different ways. We can process objects differently based on their data type. In other words, polymorphism allows us to define one interface and have multiple implementations. ...
to explicitly write it. It is by default activated since Java 1.5 was introduced. It promotes run time polymorphism. This is because we can override any function without using annotation. Still, it has got one major advantage: if the compiler, by chance, misses the overriding (like the ...