Abstract and Interface Programs

Java Program to calculate area of circle, rectangle,square using Abstract class Shape .

Java Program to calculate nCr and 1!+2!+3!+4! using abstract class. FORMULA: nCr = n!/(r!*(n-r)!).

Java Program to demonstrate the use of Interface.

Java Program to get Rate of interest of banks using interface Bank.

Create an Interface with name "Shape", WAP to calculate the area of circle and cylinder.

Java Program to demonstrate multiple inheritance using interfaces.

Java Program to demonstrate inheritance of interfaces.

Java Program to demonstrate the use of default and static method of interface.