stepthing done

StepTracker.java

@@ -0,0 +1,57 @@
+public class StepTracker {
+    int minSteps;
+    int steps, days, activeDays;
+
+    public StepTracker(int x) {
+        minSteps = x;
+        steps = 0;
+        days = 0;
+        activeDays = 0;
+    }
+
+    /* Information about steps */
+    public void addDailySteps(int x) {
+        days++;
+        steps += x;
+        if (x >= minSteps) {
+            activeDays++;
+        }
+    }
+
+    public int activeDays() {
+        return activeDays;
+    }
+
+    public double averageSteps() {
+        if (days == 0) {
+            return 0;
+        }
+        return (double) steps / days;
+    }
+
+    public static void main(String[] args) {
+        StepTracker tr = new StepTracker(10000);
+        System.out.println("Active days: " + tr.activeDays());
+        System.out.println("Average steps: " + tr.averageSteps());
+        System.out.println("Adding 9000 steps");
+        tr.addDailySteps(9000);
+        System.out.println("Active days: " + tr.activeDays());
+        System.out.println("Average steps: " + tr.averageSteps());
+        System.out.println("Adding 5000 steps");
+        tr.addDailySteps(5000);
+        System.out.println("Active days: " + tr.activeDays());
+        System.out.println("Average steps: " + tr.averageSteps());
+        System.out.println("Adding 13000 steps");
+        tr.addDailySteps(13000);
+        System.out.println("Active days: " + tr.activeDays());
+        System.out.println("Average steps: " + tr.averageSteps());
+        System.out.println("Adding 23000 steps");
+        tr.addDailySteps(23000);
+        System.out.println("Active days: " + tr.activeDays());
+        System.out.println("Average steps: " + tr.averageSteps());
+        System.out.println("Adding 1111 steps");
+        tr.addDailySteps(1111);
+        System.out.println("Active days: " + tr.activeDays());
+        System.out.println("Average steps: " + tr.averageSteps());
+    }
+}