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- //Main
- package com.company;
- import java.util.ArrayList;
- import java.util.Collections;
- public class Main {
- public static void main(String[] args) {
- //Példányosítás
- Lottery lottery = new Lottery();
- ArrayList<Integer> numbers = lottery.numbers();
- //Sorbarendezés
- Collections.sort(numbers);
- //Lista kiiratás
- for (int number : numbers)
- System.out.print(number + " ");
- }
- }
- //Lottery osztály
- package com.company;
- import java.util.ArrayList;
- import java.util.Random;
- public class Lottery {
- private ArrayList<Integer> numbers;
- public Lottery(){
- this.numbers=new ArrayList<>();
- this.containsNumber();
- }
- public ArrayList<Integer> numbers() {
- return this.numbers;
- }
- public ArrayList<Integer> containsNumber(){
- //Lista feltöltése 1-39-ig
- ArrayList<Integer> resultList=new ArrayList<>();
- for (int i = 1; i <= 39; i++) {
- resultList.add(i);
- }
- Random random=new Random();
- int index;
- //7 véletlenszerű szám kivétele a listából, és betevés egy új listába
- for (int i = 0; i <7 ; i++) {
- index=random.nextInt(39)+1;
- resultList.remove(Integer.valueOf(index));
- numbers.add(index);
- }
- return numbers;
- }
- }
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