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Create ArraySum.java #11

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Merged
merged 1 commit into from
Oct 3, 2021
Merged

Create ArraySum.java #11

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18 changes: 18 additions & 0 deletions ArraySum.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
class ArraySum {
public static int iterativeSum(int[] arr) {
int sum = 0;
for (int i = 0; i < arr.length; i++) {
sum += arr[i];
}
return sum;
}

public static int recursiveSum(int[] arr) {
return recursiveSum(arr, 0)
}
public static int recursiveSum(int[] arr, int index) {
if (index == arr.length)
return 0;
return arr[index] + recursiveSum(arr, index + 1);
}
}