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The XML Encoding Trap

Thursday Jan 3rd 2019 by Octavia Anghel

Language: Java, Expertise: Beginner - Learn why it's not a good idea to read an XML file and store it in a string.

String xml = fileUtils.readTextFile("XMLfile.xml");

It's not a good idea to read an XML file and store it in a String because it wastes memory. The XML specifies its encoding in the XML header, so when you read a file, you need to know the encoding beforehand.

All XML parsers accept an InputStream as a parsing source and they correctly figure out the encoding themselves.

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