Class inheritance in Dynamics 365 for Finance and Operations

ClassA
{
    public void print()
    {
	print "ClassA";
    }
    public void printClassA()
    {
	print "ClassA";
    }
}

ClassB extends ClassA
{
    public void print()
    {
	print "ClassB";
	super();
    }
    public void print(str _printMessage)
    {
	print _printMessage;
    }
    public void printVal(str _printMessage)
    {
	print _printMessage;
    }

    public static void main()
    {
	ClassB obj = new ClassB();
	obj.print("Print this message");
	obj.printClassA("Local method");
    }
}


Overloading - Polymorphism
Overriding - Inheritance