rectangle.js

 /**

* area and perimeter of rectangle -- Classes Practice Problems
Design a class which has 2 methods. One which computes the Area of the Rectangle.
The other computes the Perimeter of the Rectangle. You should be able to pass the length
l and width w while creating the object for the class. For all infeasible values of length
l and width w, print area and perimeter as 0

Your class should be named as Rectangle. Method to get area should be named as rectangle_area.
Method to get perimeter should be named as rectangle_perimeter.

Input
First line contains an integer for the length l Second line contains an integer for the width
w

Output
Two lines containing integers. First line containing the Area of the Rectangle Second
line containing the Perimeter of the Rectangle

Example
Input:

3
2
Output:

6
10
First line is 3 representing the length. Second line is 2 representing the width.
Area is 3*2 which is 6 as represented in the first line of the output. Perimeter is 2*(3 + 2)
which is 10 as represented in the second line of the output.


*/

let fs = require("fs");
let data = fs.readFileSync(0, 'utf-8');
let idx = 0;
data = data.split('\n');

function readLine() {
idx++;
return data[idx - 1];
}

// -------- Do NOT edit anything above this line ----------

// Your class should be named as `Rectangle`.
// Method to get area should be named as `rectangleArea`.
// Method to get perimeter should be named as `rectanglePerimeter`.
// You should be taking `length` and `width` as inputs when creating the object for your class.

class Rectangle {
constructor(l, w) {
this.length = l
this.width = w
}

rectangleArea() {
let area = this.length > 0 && this.width > 0 ? (this.length * this.width) : 0
return area
}

rectanglePerimeter() {
let per = this.length > 0 && this.width > 0 ? (2 * (this.length + this.width)) : 0
return per
}

}


let length = parseInt(readLine());//3

let width = parseInt(readLine());//2

let newRectangle = new Rectangle(length, width);

console.log(newRectangle.rectangleArea());

console.log(newRectangle.rectanglePerimeter());

//////////////////////////////////////////////////////////////////////////////////////////////


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