Simple "Order System" (for Beginners) with basic Java knowledge

Import Java.util.Scanner;
public class Orderingmsg {
public static void Main (string[] args) throws Exception {
Scanner Scanner = new Scanner (system.in);
string[] names = new String[6]; Name of the person who ordered the meal
string[] Dishmsgs = new string[6];//Selection Menu
int[] numbers = new int[6];//portion of dishes
Int[] times = new Int[6]; Meal Delivery Time
String[] Addresses = new string[6];//delivery address
Int[] states = new int[6];//order status 0: Already scheduled 1: Completed
double[] Sumprices = new double[6];//Total amount
int[] praisenums = new Int[6];
String[] Dishnames = {"Beijing roast Duck", "mapo tofu", "Squirrel fish", "braised octopus", "seasonal vegetables", "Spicy potato silk"};
double[] Prices = {88, 24, 38, 35, 15, 12};
System.out.println ("Welcome to Surper ordering System");
int num =-1; Enter 0 to return to the main menu by default
Boolean isexit = false;//does not exit by default
do {
System.out.println ("**********************");
System.out.println ("1: I want to order a meal");
System.out.println ("2: View Meal bag");
System.out.println ("3: Sign Order");
System.out.println ("4: Delete order");
System.out.println ("5: I Want to praise");
System.out.println ("6: Exit system");
System.out.println ("**********************");
SYSTEM.OUT.PRINTLN ("Please select:");
int choice = Scanner.nextint (); Choose the services you need
Switch (choice) {
Case 1:
System.out.println ("************ I want to order a meal ************");
Boolean empty = false;//as a token
for (int i = 0; i < names.length; i++) {//Set of meals
if (names[i] = = null) {
Empty = true;//Order if it is blank, you can go to Riga data
System.out.println ("Please enter the name of the person who ordered the meal:");
Names[i] = Scanner.next (); Get the name of the person who ordered the meal
System.out.println ("You can choose the following dishes:");
System.out.println ("ordinal \t\t\t dish name \t\t\t price \t\t\t number of likes");
for (int j = 0; J < Dishnames.length; J + +) {//Traversal of menu items
String Praisenum = (Praisenums[j] > 0)? PRAISENUMS[J]
+ "Great location"
: "";
System.out.println (j + 1 + "\t\t\t" + dishnames[j]
+ "\t\t\t" + prices[j] + "\t\t\t"
+ Praisenum);
}
The user begins to order and collects information
SYSTEM.OUT.PRINTLN ("Please select the number of the menu item:");
int choicename = Scanner.nextint ();
System.out.println ("Please enter your order number of servings:");
int number = Scanner.nextint ();
System.out.println ("Please enter the address of the delivery:");
String address = Scanner.next ();
System.out.println ("Please enter the time of delivery:");
System.out.println ("Shop on the Hour: 8 to 20");
int time = Scanner.nextint ();
Double sumprice = prices[choicename-1] * number;
Double Price = (Sumprice >=50)? 0:5;//determine if shipping is charged
SYSTEM.OUT.PRINTLN ("Order has been generated! ");
System.out.println ("You set the dish is:" + dishnames[choicename-1] + "\ T" + number+ "part");
System.out.print ("Meal Fee:" + sumprice);
System.out.print ("\ t room charge:" + price);
System.out.println ("\ t Total Cost:" + (price + Sumprice));
Insert information into an array
Times[i] = time; Time
Addresses[i] = address; Address
Sumprices[i] = (sumprice + price); Total Amount
Dishmsgs[i] = dishnames[choicename-1]; Set of dishes
States[i] = 0; Status of order
Numbers[i] = number; Number of copies
Break
}
}
if (!empty) {//the meal bag is full
System.out.println ("The meal Bag is full");
}
Break
Case 2:
System.out.println ("************ View Meal Bag ************");
System.out.println ("Number \t\t \t\t dishes (number of servings) \t\t delivery time \t\t delivery address \t\t total amount \t\t status \t\t like Quantity");
for (int i = 0; i < names.length; i++) {
if (names[i]! = NULL) {//someone ordered the display of the meal
String state = (States[i] = = 0)? "Already Booked": "Completed"; Get status
int time = Times[i]; Time
String Sumprice = sumprices[i] + "meta"; Total Amount
String address = addresses[i]; Address
String dishmsg = dishmsgs[i]; Food Products
int count = numbers[i];//number of copies
System.out.println ((i + 1) + "\t\t" + names[i] + "\t\t" + dishmsg + "(" + Count + ")" + "\t\t" + time+ "\t\t" + address + "\t\t" + sumprice+ "\t\t" + state + "\t\t" + praisenums[i]);
}
}
Break
Case 3:
SYSTEM.OUT.PRINTLN ("************ sign Order ************");
System.out.println ("Please enter the order number you need to sign for:");
int sign = Scanner.nextint ();
int flag = 0;//Make a mark to determine if the order is signed
for (int i = 0; i < names.length; i++) {
if (names[i]! = null && states[i] = = 0) {//have orders and can sign for
States[i] = 1;//change state
flag = 1;
Break
} else if (names[i]! = null && states[i] = = 1) {//has an order and has been signed
flag = 2;
}
}
if (flag = = 1) {
SYSTEM.OUT.PRINTLN ("The order has been signed! ");
} else if (flag = = 2) {
SYSTEM.OUT.PRINTLN ("Order cannot be repeated for signature!") ");
} else {
System.out.println ("Did not find your order!") Please check your number! ");
}


Break
Case 4:
System.out.println ("************ Delete order ************");
System.out.println ("Please enter the order number you want to delete:");
int dealnum = Scanner.nextint ();
int deal = 0; Make a mark to determine if the order is signed and whether it exists
for (int i = 0; i < names.length; i++) {
if (names[i] = null && states[dealnum-1] = = 1) {//has an order and has been signed, can be deleted
Delete a message, and then move forward all the information
for (int j = dealNum-1; J < Names.length-1; J + +) {
NAMES[J] = names[j + 1]; Ordering people
DISHMSGS[J] = dishmsgs[j + 1];//Dishes
TIMES[J] = times[j + 1];//time
ADDRESSES[J] = addresses[j + 1];//Address
STATES[J] = states[j + 1];//status
NUMBERS[J] = numbers[j + 1];//Number of copies
}
Deal = 1;
Break
} else if (names[i]! = null && states[i] = = 0) {//Right order and the order has not been signed, it cannot be deleted
Deal = 2;
}
}
if (deal = = 1) {
SYSTEM.OUT.PRINTLN ("The order has been deleted");
} else if (deal = = 2) {
SYSTEM.OUT.PRINTLN ("The order has not yet been signed not allowed to delete!" ");
} else {
SYSTEM.OUT.PRINTLN ("No orders found!") ");
}
Break
Case 5:
System.out.println ("************ I like ***************");
System.out.println ("number \t\t\t dish name \t\t\t price");
for (int i = 0; i < dishnames.length; i++) {//traversal of all dish names
String Price = Prices[i] + "meta"; Price
String name = dishnames[i];//dish name
System.out.println ((i + 1) + "\t\t\t" + name + "\t\t\t" + price);
}
SYSTEM.OUT.PRINTLN ("Please input the number of dishes you like:");
int choicenum = Scanner.nextint ();
praisenums[choicenum-1]++;//the number of points of praise accumulation
SYSTEM.OUT.PRINTLN ("Thank you for participating!" Praise Success! ");
Break
Case 6:
Exit system
Isexit = true;
Break
Default
Exit system
Isexit = true;
Break
}
if (!isexit) {//default this is not exited
System.out.println ("Enter 0 to return to the main menu! ");
num = Scanner.nextint ();
} else {
Break Exit system
}
} while (num = = 0);
SYSTEM.OUT.PRINTLN ("Thank YOU for coming!!!!! ");
}
}

Simple "Order System" (for Beginners) with basic Java knowledge