Polymorphism : Method Overriding

class Bank{
    float getRateOfInterest(){return 0;}
}
class SBI extends Bank{
    float getRateOfInterest(){return 8.4f;}
}
class ICICI extends Bank{
    float getRateOfInterest(){return 7.3f;}
}
class AXIS extends Bank{
    float getRateOfInterest(){return 9.7f;}
}
class MethodOverriding{
    public static void main(String args[]){
        Bank b;        b=new SBI();        System.out.println("SBI Rate of Interest: "+b.getRateOfInterest());        b=new ICICI();        System.out.println("ICICI Rate of Interest: "+b.getRateOfInterest());        b=new AXIS();        System.out.println("AXIS Rate of Interest: "+b.getRateOfInterest());    }
}