Android Training Lesson two homework exercises

/*

1, please use Scanner,while,if,switch to make a simple order and can checkout the small system;

Requirements: To do the following functions;

(1) Ordering menu;

(2) Order quantity;

(3) Checkout;

(4) Exit;

*/

Package Org.lyk;

Import Java.util.Scanner;

public class Dianc {

static int dpdf = 10;//Dongpo Tofu Price

static int JBRP = 15;//Pepper Fried meat price

static int sxpg = 10;//Garlic Ribs Price

static int scy = 25;//Sauerkraut Fish Price

static int szrp = 35;//boiled meat price

static int HSPG = 20;//braised Pork ribs price

static int sl;//Order quantity

static int sum1,sumdp;//Dongpo Tofu Total Price

static int sum2,sumjb;//pepper sliced pork lump sum

static int sum3,sumsx;//Garlic Ribs Total Price

static int sum4,sumsc;//Sauerkraut Fish Total Price

static int sum5,sumsz;//Total water boiled meat

static int sum6,sumhs;//Braised pork Ribs Total Price

static int sum;//Total Price

Enter Order quantity

public static void Shuliang () {

Scanner s = new Scanner (system.in);

SL = S.nextint ();

}

Menu

public static void Caidan () {

System.out.println ("Welcome to the ordering system!") ");

System.out.println ("Please follow the menu for order ordering! ");

System.out.println ("1. Dongpo Tofu" + dpdf + "Yuan" + "2. Fried sliced Pork" + JBRP + "Yuan"+ "3. Garlic Pork Ribs" + sxpg + "Yuan "+" \ n "+" 4. Pickled Cabbage fish "+ scy +" Yuan "+" 5. Boiled sliced meat "+ szrp +" Yuan "+" 6. Braised pork Ribs "+ Hspg +" Yuan ");

System.out.println ("Press 0 to exit a la carte checkout!") ");

}

public static void Main (string[] args) {

Caidan ();

Scanner s = new Scanner (system.in);

int I=s.nextint ();

Boolean A = true;

while (a) {

int i = S.nextint ();

switch (i) {

Case 0:

System.out.println ("Exit à la carte, checkout!");

Calculate total consumption price

sum = SUMDP + sumjb + sumsx + sumsc + sumsz + SUMHS;

System.out.println ("Total consumption:" + sum + "Yuan");

A = false;

Break

Case 1:

System.out.println ("Your point is Dongpo tofu. Please confirm the number of copies!");

Shuliang ();

SUM1 = dpdf * SL;

SUMDP+=SUM1;

System.out.println ("Dongpo tofu" + SL + "share," + sum1 + "Yuan");

System.out.println ("Continue to order, or press 0 to exit a la carte checkout");

Break

Case 2:

System.out.println ("Your point is fried sliced pork, please confirm the number of copies");

Shuliang ();

sum2 = JBRP * SL;

sumjb+=sum2;

SYSTEM.OUT.PRINTLN ("Fried sliced pork" + SL + "share," + sum2 + "Yuan");

System.out.println ("Continue to order, or press 0 to exit a la carte checkout");

Break

Case 3:

SYSTEM.OUT.PRINTLN ("Your order is garlic ribs. Please confirm the number of copies");

Shuliang ();

SUM3 = SXPG * SL;

SUMSX+=SUM3;

System.out.println ("Garlic ribs" + SL + "share," + sum3 + "Yuan");

System.out.println ("Continue to order, or press 0 to exit a la carte checkout");

Break

Case 4:

SYSTEM.OUT.PRINTLN ("Your order is pickled cabbage fish. Please confirm the number of copies");

Shuliang ();

SUM4 = Scy * SL;

SUMSC+=SUM4;

System.out.println ("Pickled cabbage fish" + sl + "share," + sum4 + "Yuan");

System.out.println ("Continue to order, or press 0 to exit a la carte checkout");

Break

Case 5:

System.out.println ("Your point is boiled sliced meat, please confirm the number of copies");

Shuliang ();

SUM5 = SZRP * SL;

SUMSZ+=SUM5;

System.out.println ("Boiled sliced meat" + SL + "share," + SUM5 + "Yuan");

System.out.println ("Continue to order, or press 0 to exit a la carte checkout");

Break

Case 6:

SYSTEM.OUT.PRINTLN ("Your order is braised ribs. Please confirm the number of copies");

Shuliang ();

SUM6 = HSPG * SL;

SUMHS+=SUM6;

System.out.println ("Braised ribs" + SL + "share," + Sum6 + "Yuan");

System.out.println ("Continue to order, or press 0 to exit a la carte checkout");

Break

}

}

}

}

There are still many shortcomings to be improved in beginners ...

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Android Training Lesson two homework exercises