🚀 Programming Example

Java Runtime Polymorphism Example: Animal

👁 34,131 Views

💻 Practical Program

📘 Step Learning

Learn this program step-by-step with algorithm, source code, output and detailed explanation.

💻 Program Code


class Animal{
void eat(){
	System.out.println("eating...");
	}
}

class Cow extends Animal{
void eat(){
	System.out.println("eating grass..");
	}
}

class Cat extends Animal{
void eat(){
	System.out.println("eating rat...");
	}
}

class Peacock extends Animal{
void eat(){
	System.out.println("eating snake...");
	}
}

class Lion extends Animal{
void eat(){
	System.out.println("eating meat...");
	}
}

class RuntimePolymor{
 public static void main(String[] args){
 Animal obj;
 obj=new Cow();
 obj.eat();

 obj=new Cat();
 obj.eat();

 obj=new Peacock();
 obj.eat();

 obj=new Lion();
 obj.eat();
 }
}

🖥 Program Output

eating grass..
eating rat...
eating snake...
eating meat...
Press any key to continue . . .

🎯 How to learn from this example

First understand the algorithm carefully. Then study the program line-by-line and compare it with the output. Finally, review the explanation section to strengthen your logic and programming understanding.

🔥 Practice suggestion

Rewrite the program without looking at the code. Modify values, conditions or logic and run it again. This helps improve confidence and strengthens coding skills much faster.

⚡ Quick Practice Flow

Follow this learning sequence for better understanding.

Read the topic carefully
Understand the algorithm
Study the code line-by-line
Check the output result
Practice by modifying logic