Java String Modifier Methods - toUpperCase toLowerCase concat replace - Java Programming - Appficial

Publié le: 04 octobre 2017
sur la chaîne: Appficial

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These are String methods and operations that are useful for modifying Strings. Strings are immutable meaning that String methods cannot directly modify the String’s characters

toUpperCase () - a new String that is all upper-case letters
toLowerCase () - a new String that is all lower-case letters
concat (str2) - a new String with str2 appended to the end
replace (x, y) - a new String where all occurrences of x are replaced by y (x and y can either be String objects or char variables)
str1 + str2 - how to concat strings using the + operator

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