/* 9/24/2019
 * Expressions are constructed from variables, literals, arithmetic operators
 * expressions evaluate to a single value
 * mult, div *, /
 * add, sub  +, -
 */
public class Expressions {
  
  public static void main(String[] args) {
    
    int itemsOrdered, qtyOnHand;
    itemsOrdered=3;
    qtyOnHand=300;
    // say you want to order one more
    itemsOrdered = itemsOrdered+1;
    qtyOnHand = qtyOnHand-itemsOrdered;
    System.out.println(itemsOrdered + " items were ordered, "
                         + qtyOnHand + " items left.");
    
    double price=113.75;
    double salesTax;
    // calculate sales tax on the price
    salesTax = price * .08875;
    double finalPrice = price+salesTax;
    System.out.println("price is " + price + " tax is " + salesTax
                         + " final price is " + finalPrice);
    // lets say I wanted to do it in one expression
    price = price + price * .08875;   
  }
}

/* LAB 1:
 * Write a complete Java program that 
 * calculates the distance
 * between 2 points in a plane.
 * You are going to need variables for 
 * the x and y values for each point.
 * You should print the value inside of 
 * the square root.
 * Next time we will fix to take the sqrt.
 */