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Lucky for Life Quick Pick Generater V2.0
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/* | |
* Name: Prof. Antonio C. Silvestri | |
* Date: 11/19/2019 | |
* Course Number: CSC-111 | |
* Course Name: Intro to Java Programming | |
* Problem Number: NA | |
* Email: silvestri@stcc.edu | |
* Description: Generate Lucky for Life Numbers | |
*/ | |
import java.util.Scanner; | |
public class LuckyForLife { | |
private static final String TITLE = "Lucky For Life Quick Pick Generator V2.0"; | |
private static final String CONTINUE_PROMPT = "Do this again? [y/N] "; | |
private static int[] initArray(int number) { | |
int list[] = new int[number]; | |
for (int i = 0; i < list.length; i++) | |
list[i] = i + 1; | |
return list; | |
} | |
private static void shuffle(int[] list) { | |
for (int i = 0; i < list.length; i++) { | |
int randomIndex = (int)(Math.random() * list.length); | |
int temp = list[i]; | |
list[i] = list[randomIndex]; | |
list[randomIndex] = temp; | |
} | |
} | |
private static int[] dealOutRandoms(int[] list, int numberToDealOut) { | |
int[] luckies = new int[numberToDealOut]; | |
for (int i = 0; i < numberToDealOut; i++) | |
luckies[i] = list[i]; | |
return luckies; | |
} | |
private static void sort(int[] lucky) { | |
for (int i = 0; i < lucky.length - 1; i++) | |
for (int j = i + 1; j < lucky.length; j++) | |
if (lucky[j] < lucky[i]) { | |
int temp = lucky[i]; | |
lucky[i] = lucky[j]; | |
lucky[j] = temp; | |
} | |
} | |
private static int generateLuckyBall(int max) { | |
return (int)(Math.random() * max) + 1; | |
} | |
private static String produceAQuickPick(int[] lucky, int luckyBall) { | |
String qp = ""; | |
for (int i = 0; i < lucky.length; i++) | |
qp += String.format("%02d%s", lucky[i], i < lucky.length - 1 ? "-" : ""); | |
qp += " "; | |
qp += String.format("%02d", luckyBall); | |
return qp; | |
} | |
private static void printLotteryTicket(String[] quickPicks) { | |
for (int i = 0; i < quickPicks.length; i++) { | |
System.out.printf("%2d: %s\n", i+1, quickPicks[i]); | |
} | |
} | |
private static String[] generateQuickPicks(int total) { | |
String[] qps = new String[total]; | |
for (int i = 0; i < total; i++) { | |
int list[] = initArray(43); | |
shuffle(list); | |
int lucky[] = dealOutRandoms(list, 5); | |
sort(lucky); | |
int luckyBall = generateLuckyBall(43); | |
qps[i] = produceAQuickPick(lucky, luckyBall); | |
} | |
return qps; | |
} | |
//********************************************** | |
private static void process(Scanner sc, String args[]) { | |
System.out.print("How many quick picks? "); | |
int total = sc.nextInt(); | |
sc.nextLine(); | |
String quickpicks[] = generateQuickPicks(total); | |
printLotteryTicket(quickpicks); | |
} | |
//********************************************** | |
private static boolean doThisAgain(Scanner sc, String prompt) { | |
System.out.print(prompt); | |
String doOver = sc.nextLine(); | |
return doOver.equalsIgnoreCase("Y"); | |
} | |
//********************************************** | |
public static void main(String args[]) { | |
System.out.println("Welcome to " + TITLE); | |
Scanner sc = new Scanner(System.in); | |
do { | |
process(sc, args); | |
} while (doThisAgain(sc, CONTINUE_PROMPT)); | |
sc.close(); | |
System.out.println("Thank you for using " + TITLE); | |
} | |
} |
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