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CodingBat code practice

 

sum1ToN


Write a recursive method for calculating the sum of the first n integers. This method must use recursion: there should be no loops, and you should not used the close-form solution.


sum1ToN(1) → 1
sum1ToN(2) → 3
sum1ToN(3) → 6

...Save, Compile, Run (ctrl-enter)

public int sum1ToN(int n) { }

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