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Program to demonstrate the use of overriding method display() using super and sub classes.


CODE:
class parent
{
public void display()
{System.out.println("Hello! From parent class.");
}}
class child1 extends parent
{
public void display()
{
super.display();
System.out.println("Hello! From child1 class.");
}
}
class child2 extends child1
{
public void display()
{
super.display();
System.out.println("Hello! From child2 class.");
}
}
class EXP17Q3
{
public static void main(String args[])
{
child2 ch2 = new child2();
ch2.display();
} }

OUTPUT:

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