Answer:
Following are the program in Java
class abc // class abc
{
public void area(int s) // function area
{
s=s*s;// calculate area
System.out.println(" The area is:" +s + " ft"); // display the area
}
public void perimeter(int s) //function perimeter
{
s=4*s;//calculate perimeter.
System.out.println(" The perimeter is:" +s + " ft"); //display the perimeter
}
}
public class Main //class main
{
public static void main(String[] args) // main function
{
abc ob=new abc(); // creating instance of class abc
ob.area(7); // calling function area
ob.perimeter(7); // calling function perimeter
}
}
Output:
The area is: 49 ft
The perimeter is:28 ft
Step-by-step explanation:
In this program we create the class "abc" .We declared two function in the class "abc" i.e "area" and "perimeter" which is calculating the area and perimeter of a square and print them , from the main function we create a object of class "abc" i.e "ob" which called the function area and perimeter .