How to Encode and Decode Strings in Java

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Summary: Learn how to perform string encoding and decoding in Java with examples and explanations of various encoding techniques. Explore Base64, URL encoding, and more in this comprehensive guide.
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String encoding and decoding are essential operations in computer programming, especially when dealing with data transmission, storage, or security. Encoding involves converting a string into a specific format, while decoding is the process of converting it back to its original form. Java provides various methods and classes to perform encoding and decoding tasks efficiently. In this guide, we'll explore different encoding techniques in Java, including Base64 encoding and URL encoding, and learn how to decode them back to the original string.

Base64 Encoding and Decoding

Encoding a String to Base64

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Decoding a Base64 String to Original

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URL Encoding and Decoding

Encoding a String for URL

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Decoding a URL Encoded String

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In the examples above, we have explored how to perform Base64 encoding and decoding as well as URL encoding and decoding in Java. These techniques are valuable when working with data that needs to be transmitted over networks or stored in a format that is safe and efficient for various applications.

By understanding and implementing these encoding and decoding methods, Java developers can ensure data integrity and security in their applications.