A String repeat method


I'm new to this forum. I've written the following method, and I think it is correct. I want to return the String n times I'm just confused as to why the result is labelled 'result + s' and not 'result*n' or something like that.

public String repeat (String s, int n){
if (n>0) {return "";}
else {
String result= "bob";

    for (int i=1; i <=n; i++){
    /////returns string i times
        result = result + s;
 return result;
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