1ca72264
 Suraputt Suntimitr
random food
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package food;
import java.io.File;
import java.io.FileNotFoundException;
import java.lang.reflect.Array;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Random;
import java.util.Scanner;
public class food {
static ArrayList<String> food = new ArrayList<String>();
static String[] forday = new String[10];
static String[] fordaycheck = new String[10];
static String[] foreat = new String[10];
static DateFormat TypeDate = new SimpleDateFormat("EEEE ·Υθ dd");
public static void main(String[] args) throws FileNotFoundException {
int today = 100, yesterday = 99, twodayago = 98,threedayago=97;
File file = new File("food.txt");
Scanner scname = new Scanner(file);
Scanner sc = new Scanner(System.in);
String Inputday = sc.nextLine();
Random random = new Random();
String name;
// get food name
while (scname.hasNext()) {
name = scname.nextLine();
food.add(name);
}
boolean[] checkfood = new boolean[food.size()+1];
Calendar c = Calendar.getInstance();
// Set the calendar to monday of the current week
c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
// Print dates of the current week starting on Monday to Friday
DateFormat CheckDate = new SimpleDateFormat("dd/M/yyyy");
for (int i = 0; i < 10; i++) {
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
forday[i] = TypeDate.format(c.getTime());
fordaycheck[i] = CheckDate.format(c.getTime());
if (dayOfWeek == Calendar.FRIDAY) { // If it's Friday so skip to
// Monday
c.add(Calendar.DATE, 3);
} else if (dayOfWeek == Calendar.SATURDAY) { // If it's Saturday
// skip to Monday
c.add(Calendar.DATE, 2);
} else {
c.add(Calendar.DATE, 1);
}
}
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1ca72264
Suraputt Suntimitr
random food
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for (int j = 0; j < foreat.length; j++) {
today = random.nextInt(food.size());
checkfood[checkfood.length-1]=false;
checkfood = checkdupi(today,checkfood);
if(checkfood[checkfood.length-1]){
if (today == yesterday || today == twodayago||today == threedayago) {
j = j - 1;
checkfood[today]=false;
continue;
} else {
foreat[j] = forday[j] + " " + food.get(today);
}
threedayago = twodayago;
twodayago = yesterday;
yesterday = today;
}
else{
j = j - 1;
continue;
}
}
}
else {
System.out.println("cannot create list food [Need more food list] ");
System.exit(0);
}
selectdayforprint(Inputday);
}
//for print
public static void selectdayforprint(String Inputday){
if ("".equals(Inputday)) {
Date t = new Date();
int j = 0;
String x = TypeDate.format(t.getTime());
for (int i = 0; i < forday.length; i++) {
if (x.equals(forday[i])) {
j = i;
break;
}
}
for (int k = j; k < 10; k++) {
System.out.println(foreat[k]);
}
} else {
int j = -1;
for (int i = 0; i < fordaycheck.length; i++) {
if (Inputday.equals(fordaycheck[i])) {
j = i;
break;
}
}
if (j == -1) {
System.out.println("No Have Day");
} else {
for (int k = j; k < 10; k++)
System.out.println(foreat[k]);
}
}
}
//check dupicate food
public static boolean[] checkdupi(int food,boolean[] checkfood){
boolean checkfull = true;
if(checkfood[food] == false){
checkfood[food]=true;
checkfood[checkfood.length-1]=true;
checkfull=false;
}
else{
for(int i =0;i<checkfood.length-1;i++){
if(checkfood[i]==false){
checkfull=false;
break;
}
}
}
if(checkfull){
clearboolean(checkfood);
}
return checkfood;
}
public static void clearboolean (boolean[] checkfood){
for(int i=0;i<checkfood.length;i++){
checkfood[i]=false;
}
}
}
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