Replace with empty string replaces newChar around all the characters in original string

Question

I was just working on one of my java code in which I am using Java String.replace method. So while testing the replace method as in one situation I am planning to put junk v

Answer 1

replace looks for each place that you have a String which starts with the replaced string. e.g. if you replace "a" in "banana" it finds "a" 3 times.

However, for empty string it finds it everywhere including before and after the last letter.