String.replace ?!

[HearT.Hunt3r]

public String repeatSeparator(String word, String sep, int count) {

String v = "";
for(int i=1;i<=count;i++){
v += word + sep;
}
v = v.replace(v.substring(v.lastIndexOf(sep), v.length()), "");
return v;
}

=======================
this is my code and i wanna delete last sep .... how can i do that?

[Fubarable]

Check out the String#replace API. It replaces all occurrences of the target sequence.

[HearT.Hunt3r]

i would do that by replace function but i couldn't and i did this and fixed :
v = v.substring(0, v.lastIndexOf(sep));

[Junky]

Alternatively you could add the separator before each word except the first. Also, you might want to look into using a StringBuilder instead of all those String concatenations.

[Norm]

Or add sep conditional on the value of i. Don't do it in the last iteration of the loop