D3-3.txt

class Demo {
	final int tenure = 0;
	double principal;
	float interestRate;
	String accountNumber;
	final double calculateEMI(){
		return 2000;
	}
}

  class Demo2 extends Demo{
  
  // Error as  final method is overriding
  double calculateEMI(){
		return 8000;
	}
  
  }	

class FinalDemo{
	public static void main(String[] args) {
		Demo d = new Demo();
		d.tenure = 1;		//Error as tenure is final 
		System.out.println(d.tenure);
		System.out.println(d.calculateEMI());
	}
}


Runtime Exception
myCode.java:14: error: calculateEMI() in Demo2 cannot override calculateEMI() in Demo
double calculateEMI(){
^
overridden method is final
myCode.java:23: error: cannot assign a value to final variable tenure
d.tenure = 1; //Error as tenure is final
^
2 errors