Java Challenge - stringTimes - warm_up_2

Given a string and a non-negative int n, return a larger string that is n copies of the original string.

stringTimes("Hi", 2) → "HiHi"
stringTimes("Hi", 3) → "HiHiHi"
stringTimes("Hi", 1) → "Hi"

Hisoka :

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public String stringTimes(String str, int n) { String result=""; while(n>0) { result += str; n -= 1; } return result; }

Output :

Codingbat:

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public String stringTimes(String str, int n) { String result = ""; for (int i=0; i<n; i++) { result = result + str; // could use += here } return result; }