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hello welcome to lesson 18 of mastering Java here were wanting to learn something extremely useful so far weve done a lot of searching and strings where is a substring located what index is it at how do we search from the beginning of the string how do we search from the end of the string things like that come in handy as you do programming here were going to learn how to make replacements in a string weve kind of hinted to that a lot maybe you might be searching for the location maybe you might be replacing something like maybe replacing one word with another word and thats what were gonna use here so its again its a built in method to the string object and thats part of the reason why Java is so useful they have so many built-in methods that you can access so lets first create a string Ill just call it STR and Ill just type a sentence in I love going to the amusement park in Florida lets say alright so of course I can whoo I dont want that let me go and take that off th