ps-practice-java/Lotto3.java at main · sungeun05/ps-practice-java · GitHub

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import java.util.Scanner;
import java.util.Random;

public class Lotto3{
    int[] numbers;

    public Lotto3(){
        numbers = new int[6];
        Random rand = new Random();

        for(int i = 0; i<6; i++){
            numbers[i] = rand.nextInt(45)+1;
            for(int j=0; j<i; j++)
                if(numbers[i] == numbers[j])
                    i--;
        }
    }
    public void printNumbers(){
        for(int i = 0; i<6; i++)
            System.out.printf("%d ",numbers[i]);
        System.out.println();
    }

    public void remakeAuto(){
        numbers = new int[6];
        Random rand = new Random();
        for(int i = 0; i<6; i++){
            numbers[i] = rand.nextInt(45)+1;
            for(int j=0; j<i; j++)
                if(numbers[i] == numbers[j])
                    i--;
        }
    }

    public void remake(){
        Scanner s = new Scanner(System.in);
        numbers = new int[6];
        int i = 0;
        int num = 0;

        while(i < 6){
            num = s.nextInt();

            if(num < 1 || num > 45){
                print();
                continue;
            }

            if(check(i,num)){
                print();
                continue;
            }

            numbers[i] = num;
            i++;

        }
    }

    public void print(){
        System.out.println("You can only write 1~45 numbers which don't repeat.");
    }

    public boolean check(int k, int m){
        int check = 0;
        for(int i=0; i<k; i++)
            if(numbers[i] == m)
                check = 1;

            if(check == 1)
                return true;
            else
                return false;
    }

    public int checkLotto(int[] check){
        int count = 0;
        for(int i=0; i<6; i++)
            if(numbers[i] == check[i])
                count ++;

        return count;
    }


    public static void main(String[] args){
        Scanner s = new Scanner(System.in);

        Lotto3 l = new Lotto3();
        int[] number = new int[6];

        l.printNumbers();
        l.remake();
        l.printNumbers();

        for(int i=0; i<6; i++)
            number[i] = s.nextInt();

        int n = 0;

        n = l.checkLotto(number);

        if(n == 6)
            System.out.println("You got Lotto");
        else
            System.out.println("You didn't got Lotto try next time");


    }

}