I would like to know string vs string builder. When to use each one. How they are different and similar. How they differ in terms of immutability. I am still not very clear on creating, assigning , reassigning the instance variables of them and how they point to same or different objects etc.
t needs to be turned back to originalComment right. How to change it back to originalComment. So that if i have to change again i will edit it using above method.
String originalComment = editComment(originalComment)
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