Q. Write a java program which creates an interface IterF1 having 2 methods add () and sub(). Create a class which overloads the given methods for addition and subtraction of two numbers respectively.
Answer:
Below example show that the implements the inheritance in the class and overload the interface methods.
Output:

Answer:
Below example show that the implements the inheritance in the class and overload the interface methods.
IterF1.java
interface IterF1
{
int a = 50;
int b = 30;
void add();
void sub();
}
Overload_Demo.java
class Overload_Demo implements IterF1
{
public void add()
{
System.out.println("Addition of "+a+" and "+b+" is: "+(a+b));
}
public void sub()
{
System.out.println("Subtraction of "+a+" and "+b+" is: "+(a-b));
}
public static void main(String[] args)
{
Overload_Demo obj = new Overload_Demo();
obj.add();
obj.sub();
}
}
Output:



