Part 3 of the taste of Swift explores class objects in Apple's Swift language. A class allows you to group methods (class functions) together that belong together. Class Person groups some information of people working in an office. Class Pay inherits class Person and adds pay information. Class File groups file read and write methods. By convention class names start with a capital letter. Once a class is written it can be inherited by another class which eliminates a lot of extra code writing. Part 4 will talk about a related object, the structure. Swift has elevated the structure to …

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When working whith large data files, it may be desirable to output a sequence of bytes by large chunks. This snippet defines a file adapter class to handle this transparently. Writing bytes to an ChunkedOutputFile will automatically write the underlying file object by fixed length chunks.

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I have seen many people struggling with Reading files and writing files in java, also a great problem is how to edit a file too. So in this code snippet I have put all these problems into one small program in hopes to help others. So this code snippet will ask for the name of a file, it will then read it in fully, after reading it will ask you to type in the contents of the line you would like to edit, it will then ask you for the replacement text. This will then be edited with new data …

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Just a quick look at the way C# writes and reads text files.

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The End.