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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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Provides a client-side TCP socket.
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
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A parser that parses a text string of primitive types and strings with the help
of regular expressio
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Github Copilot alternatives