import java.util.Scanner;
class CoffeeMachine{
static Scanner scan = new Scanner(System.in);
private double coffee_powder, milk, water;
private int Coffee_Count = 0;
public CoffeeMachine(){ //Default Constructor Initialization...
this.coffee_powder=0;
this.milk=0;
this.water=0;
}
private void SetIngredient(){ //Calling for Filling Ingredient...
System.out.println("\nFilling...");
this.coffee_powder = 500.0;
this.milk = 1;
this.water= 2;
System.out.println("Filling Completed.");
}
private void GetIngredient(){ //To Get Status
System.out.println("Available Coffee Power(Gram) "+String.format("%.1f",this.coffee_powder));
System.out.println("Available Milk(Liter) "+String.format("%.1f", this.milk));
System.out.println("Available Water(Liter) "+String.format("%.1f", this.water));
}
private void CleanMachine(){ //Initialization with Null In order to Clean Machine
System.out.println("\nCleaning Machine...");
this.coffee_powder = 0;
this.milk = 0;
this.water= 0;
System.out.println("Cleaning Completed.");
}
private void makecoffee(){ //Coffee Selection Menu
System.out.println("\n ------------------ ");
System.out.println("| Select Type: |\n ------------------ \n| 1: Black Coffee |\n| 2: Milk Coffee |\n| 0 to Discard |");
System.out.println(" ------------------ \n");
char t = scan.next().charAt(0);
switch(t){
case '1':
this.BlackCoffee(); //Call to BlackCoffee Method
break;
case '2':
this.MilkCoffee(); //Call to MilkCoffee Method
break;
case '0':
break;
}
}
private void BlackCoffee(){
if(this.coffee_powder >= 10 && this.water >= 0.2){
System.out.println("\nMaking Black Coffee...");
System.out.println("\nTaking 10gm of Coffee Powder.");
this.coffee_powder = this.coffee_powder - 10;
System.out.println("Taking 0.2 liter of Water.");
this.water = this.water - 0.2;
System.out.println("\nYour Black Coffee is Ready.");
this.Coffee_Count++;
}
else{
System.out.println("\nAvailable Coffee Power(Gram) "+String.format("%.1f",this.coffee_powder));
System.out.println("Available Water(Liter) "+String.format("%.1f", this.water));
System.out.println("\nSome Iteams Are Not Available, Please Fill before Making Coffee.");
}
}
private void MilkCoffee(){
if(this.coffee_powder >= 10 && this.milk >= 0.4 && this.water >= 0.2){
System.out.println("\nMaking Milk Coffee...");
System.out.println("\nTaking 10gm of Coffee Powder.");
this.coffee_powder = this.coffee_powder - 10;
System.out.println("Taking 0.4 Liter of Milk.");
this.milk = this.milk - 0.4;
System.out.println("Taking 0.2 liter of Water.");
this.water = this.water - 0.2;
System.out.println("\nYour Milk Coffee is Ready.");
this.Coffee_Count++;
}
else{
System.out.println("\nAvailable Coffee Power(Gram) "+String.format("%.1f",this.coffee_powder));
System.out.println("Available Milk(Liter) "+String.format("%.1f", this.milk));
System.out.println("Available Water(Liter) "+String.format("%.1f", this.water));
System.out.println("\nSome Iteams Are Not Available, Please Fill before Making Coffee.");
}
}
public void start(){ //public Start to accese all private method of this class
System.out.println(" ----------------------------------------------------------------");
System.out.println("| Coffee Machine By Manikant |");
System.out.println(" ----------------------------------------------------------------");
//System.out.println("Currently We Have Following Operations, Select as your Need:- ");
System.out.println("\nCurrent Status: ");
this.GetIngredient();
boolean t = true;
while(t){
System.out.println("\n -------------------------------- ");
System.out.println("|1: Status of Ingredient |\n -------------------------------- \n|2: Fill Ingredient |\n -------------------------------- \n|3: Clean Machine |\n -------------------------------- \n|4: Make Coffee |\n -------------------------------- \n|5: How many Coffee We have made?|\n -------------------------------- \n|6: Exit |");
System.out.println(" -------------------------------- \n\n");
char c = CoffeeMachine.scan.next().charAt(0);
switch(c){
case '1':
System.out.println("------------- Status ------------");
this.GetIngredient();
System.out.println("---------------------------------");
break;
case '2':
this.SetIngredient();
break;
case '3':
this.CleanMachine();
break;
case '4':
this.makecoffee();
break;
case '5':
System.out.println("\nWe Have Made "+this.Coffee_Count+" Coffees.");
break;
case '6':
System.out.println("\nExiting...\n");
t = false;
break;
}
}
}
}
public class MakeCoffee{
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("\nWants to Start Mechine Y or N ?");
char d;
d = scan.next().charAt(0);
if(d == 'Y' || d == 'y'){
CoffeeMachine cm = new CoffeeMachine(); //Instances For CoffeMachine
cm.start(); //In order to call All Private Method Calling Public mathod
System.out.println("Shutting Down...\n");
}else
System.out.println("Shutting Down...\n");
}
}Output for Coffee Machine Java Code:
Wants to Start Mechine Y or N ? Y ---------------------------------------------------------------- | Coffee Machine By Manikant | ---------------------------------------------------------------- Current Status: Available Coffee Power(Gram) 0.0 Available Milk(Liter) 0.0 Available Water(Liter) 0.0 -------------------------------- |1: Status of Ingredient | -------------------------------- |2: Fill Ingredient | -------------------------------- |3: Clean Machine | -------------------------------- |4: Make Coffee | -------------------------------- |5: How many Coffee We have made?| -------------------------------- |6: Exit | -------------------------------- 2 Filling... Filling Completed. -------------------------------- |1: Status of Ingredient | -------------------------------- |2: Fill Ingredient | -------------------------------- |3: Clean Machine | -------------------------------- |4: Make Coffee | -------------------------------- |5: How many Coffee We have made?| -------------------------------- |6: Exit | --------------------------------