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hello everyone and welcome to java forever course currently we are learning manipulating strings and in todays class well learn about how to replace a part of a string java provides a convenient method to do the same now one thing you will you might have noticed even in the previous class is that javas function on related to string applies directly on the string itself in almost all the cases you never say string dot some method name and then you pass a parameter you dont do this what you do is you directly use the string variable like a assuming aj string variable dot and sum function and then parenthesis therefore parenthesis may or may not take any input depends on the function name but the function applies directly on the variable of type string you dont use math dot cos like that right so that is one thing important thing to remember now having said that in many cases you want to replace a part of a string with another string for example take h
