Rolls done

src/RefereneCheck.java

@@ -0,0 +1,16 @@
+import edu.princeton.cs.algs4.Counter;
+
+public class RefereneCheck {
+    public static void main(String[] args) {
+        Counter c1 = new Counter("One");
+        System.out.println("c1 before increment: " + c1);
+        c1.increment();
+        System.out.println(("c1 after increment: ") + c1);
+        Counter c2 = c1;
+        System.out.println("c2 before increment: " + c2);
+        c2.increment();
+        System.out.println("c2 after increment: " + c2);
+        // here to c2 we gave reference of c1 so increasing c2 will increase value of c1 too
+        System.out.println("c1 at the end: "+c1);
+    }
+}

src/Rolls.java

@@ -0,0 +1,23 @@
+import edu.princeton.cs.algs4.Counter;
+import edu.princeton.cs.algs4.StdRandom;
+
+public class Rolls {
+    public static void main(String[] args) {
+        int T = Integer.parseInt(args[0]);
+        int SIDES = 6;
+        Counter[] rolls = new Counter[SIDES + 1];
+
+        for (int i = 1; i <= SIDES; i++) {
+            rolls[i] = new Counter(i + "'s");
+        }
+
+        for (int t = 0; t < T; t++) {
+            int result = StdRandom.uniformInt(1, SIDES + 1);
+            rolls[result].increment();
+        }
+
+        for (int i = 1; i <= SIDES; i++) {
+            System.out.println(rolls[i]);
+        }
+    }
+}