In one of the post offices, they want to cover windows with mosquito nets. They have windows in different shapes such as circle, square and rect angle. The charges are $25$ rupees per square feet. There are two circle shaped windows, three square shaped windows and one rectangle shaped window.

Write a Java program to create a class windowAreaCalculator with required attributes, and overloaded method area$()$ to calculate the area of circle, rectangle, and square. Create a class windowAreaCalculatorDemo with the main method. Create object for the windowAreaCalculator class and demonstrate the working of the overloaded method area$()$ to calculate area of different shapes. Kindly get window dimensions from the user. Please write the code to print the total cost of mosquito net.