31/01/25
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                                         METHOD OVERRIDING
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Q)What is method overriding?
    =>Redefining the functionality of super class method in sub class
    is nothing but method overriding.
    =>When method overriding is implemented,super class method
    is known as "overridden" method.Sub class method is known as overriding method.
    =>When method overriding is implemented, always child class version(overridding method)
    only will be executed.
Q)What are the rules to implement method overriding?
    1)both the methods should have same signature.
    2)return type should be the same.
    3)sub class version of the method  should not have weaker  access privileges  
    than that of super class method
    4)child class method should not have announced more number of checked exceptions
    than that of the super class method.
Q)When to go for method overriding?
     1)parent given  functionlity is not required for sub class object.
     2)parent given functionlity is insufficient.
     3)parent has given no functionality but only method name is given
Q)Example porgram on method overriding.
 class Vehicle{
	protected void move(){
		System.out.println("Every vehicle should move this way");
	}//overridden
}//super class

class Car extends Vehicle{
	public void move(){
		super.move();
         System.out.println("As a car I move my own way also");
	}//overriding method
}//sub class

class  OverridingExample
{
	public static void main(String[] args) 
	{
		Car c=new Car();
		c.move();
	}
}