int vs ArrayList<Integer>

Week 4: Writing classes/07. Lottery rounds' attributes and constructor

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+The program defines a class called LotteryRound. 
+
+
+Complete the class by typing
+1. Attributes
+week (integer)
+numbers (integer-typed list)
+jackpot (double)
+
+2. Constructor, which takes as parameters the values of the attributes in the order given in step 1.
+
+
+
+
+
+
+import java.util.Random;
+import java.util.ArrayList;
+
+public class Test{
+    public static void main(String[] args){
+        final Random r = new Random();
+        
+        
+        ArrayList<Integer> numbers = new ArrayList<>();
+        for (int i=0; i<7; i++) {
+            numbers.add(r.nextInt(39) + 1);
+        }
+        
+        int round = r.nextInt(52) + 1;
+        
+        double jackpot = r.nextInt(5000000) + 1000000;
+        
+        System.out.println("Creating an object with parameters");
+        System.out.println("Week: " + round);
+        System.out.println("Numbers: " + round);
+        System.out.println("Jackpot: " + jackpot);
+        
+        LotteryRound lk = new LotteryRound(round, numbers, jackpot);
+        System.out.println("Olio: " + lk);
+    }
+}
+class LotteryRound {
+
+    // ADD ATTRIBUTES
+    int week;
+    ArrayList<Integer> numbers;
+    double jackpot;
+    
+
+
+    // ADD CONSTRUCTOR
+    public LotteryRound(int week, ArrayList<Integer> numbers, double jackpot) {
+        this.week = week;
+        this.numbers = numbers;
+        this.jackpot = jackpot;
+    }
+
+
+    
+    @Override
+    public String toString() {
+        return "LotteryRound [week=" + week + ", numbers=" + numbers + ", jackpot=" + jackpot + "]";
+    }  
+    
+    
+}
+
+
+
+
+
+Creating an object with parameters
+Week: 17
+Numbers: 17
+Jackpot: 2222680.0
+Olio: LotteryRound [week=17, numbers=[2, 2, 3, 6, 33, 39, 5], jackpot=2222680.0]
+
+
+
+