The snippet library.

JavaEncoding & structured values

Calculate a SHA-256 content digest ↗

Java: Hash UTF-8 bytes and format the result as lowercase hexadecimal.

Java✓ Tested

JavaEncoding & structured values

Convert bytes to hexadecimal and back ↗

Java: Use HexFormat for a standard-library representation of raw bytes.

Java✓ Tested

JavaEncoding & structured values

Decode a form query parameter ↗

Java: URLDecoder reverses form encoding and treats plus as a space.

Java✓ Tested

JavaEncoding & structured values

Encode a form query parameter ↗

Java: URLEncoder uses application/x-www-form-urlencoded rules, including plus signs for spaces.

Java✓ Tested

JavaEncoding & structured values

Encode and decode Base64 bytes ↗

Java: Convert through UTF-8 explicitly before and after Base64 encoding.

Java✓ Tested

JavaEncoding & structured values

Inspect components of a URI ↗

Java: Use URI parsing instead of splitting a URL at punctuation manually.

Java✓ Tested

JavaEncoding & structured values

Measure UTF-8 bytes separately from characters ↗

Java: Encode a Java string before measuring its serialized byte length.

Java✓ Tested

JavaEncoding & structured values

Parse a UUID and inspect its version ↗

Java: Use UUID.fromString for a standard UUID value.

Java✓ Tested

JavaEncoding & structured values

Read a big-endian integer from bytes ↗

Java: Set a byte order explicitly when handling a binary protocol.

Java✓ Tested

JavaEncoding & structured values

Write and read typed binary fields ↗

Java: Data streams use a matching write/read order and fixed encodings for Java primitive values.

Java✓ Tested