🚀 Programming Example

instanceof operator, downcasting with instanceof

👁 28,659 Views

💻 Practical Program

📘 Step Learning

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

💻 Program Code

 class Parent { }

class Child extends Parent {

  static void method(Parent a) {
    if(a instanceof Child){
       Child d=(Child)a;//downcasting
       System.out.println("ok downcasting performed");
    }
  }

  public static void main (String [] args) {
    Parent a=new Child();
    Child.method(a);
  }
}

🖥 Program Output

ok downcasting performed
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