#jackson Clear
Tags #php #kotlin #bash #go #sql #rust #typescript #html #java #python #files #utils #strings #http #concurrency #async #json #arrays #security #types #crypto #database #dates #format
Java Jackson — Annotations (rename, ignore, etc)
Field-level annotations let you map between snake_case JSON and camelCase Java, skip nulls, never serialize secrets, set defaults on missing fields.
Java Jackson — Basic ObjectMapper
`com.fasterxml.jackson.databind.ObjectMapper` is the JSON standard for Java. Construct once (it's expensive + thread-safe) and reuse for every serialization in your app.