Java String Manipulation

Java provides the String class that contains a lot of useful methods to operate on strings. For example, you can use Java string operations methods to find the length of a string, get a character in a specified index of a string, combine two strings, change cases of a string to lower case or upper case, find the position of a character or a  substring in another string, convert a string to an array of character, get a substring from a string, compare two strings, test a string whether it starts with or ends with a substring, and replace an existing substring with a new substring in a string. The Java string operation methods that can handle those such things can be length(), charAt(), concat(), toLowerCase, toUpperCase, indexOf(), toCharArray(), substring(), compareTo(), equals(), startsWith(), endsWith(), and replace() methods.

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