- Stream Buffer File read/Write in Cheatsheet
Was sind Kodierungsarten (UTF 8, etc) & wieso verwendet man sie?
A way to standartdise characters so a computer can understand them. There are differnt systems like ACII and Unicode. The encoding provides an easy way to display characters in binary so they can be interpreted. Diffrent Standards include different sets of characters.
Was ist XML?e Wie funktioniert es? Geben Sie ein Beispiel an
EXtensible Markup Language
Designed to be Human and Maschine redable Designed to store and Transport Data
Example:
<?xml version="1.0" encoding="UTF-8"?>
<note>
<to>Some receiver</to>
<from>Some sender</from>
<heading>some title</heading>
<body>Epic example taken form 3 schools</body>
</note>Was ist JSON? Wie funktioniert es? + Beispiel
JavaScriptObjectNotation
Lightweight format formast for storing and transporting data Often used to send data from a server to a web page
Data is in name/value pairs Data is separated by commas Curly braces hold objects Square brackets hold arrays
"employees":[
{"firstName":"John", "lastName":"Doe"},
{"firstName":"Anna", "lastName":"Smith"},
{"firstName":"Peter", "lastName":"Jones"}
]
}json