HW04

Calculator.ts

//Assignment #1
class Calculator {

    // for static methods no need to create a new instance
    static additionReturnNumber(num1: number, num2: number): number {
        return num1 + num2;
    }

    static additionReturnString(num1: number, num2: number): string {
        const resultNum: number = num1 + num2;
        return `Result is: ${resultNum}`;
    }

    static additionVoid(num1: number, num2: number): void {
        const result: number = num1 + num2;
        console.log("Result is: " +result);
    }

    static isGreater(a: number, b: number): boolean {
       return a > b;
    }
}

console.log(Calculator.additionReturnNumber(1, 3));
console.log(Calculator.additionReturnString(1, 3));
Calculator.additionVoid(1, 3);
console.log(Calculator.isGreater(1,3));

Product.ts

//Assignment #2
class Product {
    //define fields
    name: string;
    price: number;
    quantity: number;

    //initialize
    constructor(name: string, price: number, quantity: number) {
        this.name = name;
        this.price = price;
        this.quantity = quantity;
    }

    isInStock(): boolean {
        return this.quantity > 0;
    }
}

const productA = new Product("ProductA", 15, 12);
const productB = new Product("ProductB", 15, 0);
console.log(productA.isInStock());
console.log(productB.isInStock());

You did a great job! Happy to see that you used different types of methods.