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Write a program to calculate economy rate of a bowler. Economy rate is the number of runs given per over. Assume there are no extras like wides, no-balls etc.

Input (List) Output (double)
[12:30, 2:12, 86:60, 23:24, 54:60, 26:46, 43:28, 4:24, 75:60, 3:15, 32:43, 28:47, 0:24, 76:60] 5.27273
[34:60, 37:48, 48:60, 20:60, 15:30, 4:19, 40:60, 32:54, 45:58, 21:46, 78:60, 57:47] 4.31

``` import java.util.*; class CalculateEconomyRate {     public static void main(String s[])    {        List<IninngsActivity> ininngsActivities = new ArrayList<IninngsActivity>();        ininngsActivities.add(new IninngsActivity(45, 60));        ininngsActivities.add(new IninngsActivity(60, 48));        ininngsActivities.add(new IninngsActivity(23, 60));        ininngsActivities.add(new IninngsActivity(34, 24));        ininngsActivities.add(new IninngsActivity(12, 45));        ininngsActivities.add(new IninngsActivity(78, 60));        ininngsActivities.add(new IninngsActivity(34, 54));        ininngsActivities.add(new IninngsActivity(32, 60));        ininngsActivities.add(new IninngsActivity(12, 36));        System.out.println("The economy rate is : " + getEconomyRate(ininngsActivities));    }     private static double getEconomyRate(List<IninngsActivity> ininngsActivities) { ```
```     } } class IninngsActivity { int runs; int balls; public IninngsActivity(int runs, int balls) { this.runs = runs; this.balls = balls; } @Override public String toString() { return runs + ":" + balls; } } ```

Topic: Java ArrayList

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