CodingBat findSumEven

findSumEven

create a method findSumEven that will add all the even numbers from begin to end. So if findSum (16,20) is called it will add 16,18,20 and return 54. Begin will always be even.

findSumEven(16, 20) → 54
findSumEven(2, 200) → 10100
findSumEven(8, 20) → 98

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