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Kingsley Osime: Java's regular expression, String, and things..

[article] The manipulation of strings is a quite common activity for which the programmer undertakes responsibility fairly frequently. In Java, strings are of a distinct data type, that are implemented as literal constants. The String class facilitates the creation and manipulation of objects that are of an immutable character, by which I mean to refer to the unchangeable property with which one must strive to become familiar. The following example is meant to illustrate this point...