java fileoperations read/write

Fileoperations in Java

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A basic topic in programming is the processing of files. If information is to be stored until the next program start, this data is written to the hard disk in files. Thus the information remains also after the termination of the program.

After opening a file, it remains locked for further accesses from outside. At this moment, a file can only be processed by the program that opened the file. If you forget to close a file, it remains locked at least until the end of the program. With some operating systems also up to the reboot of the system.

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