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Jackson vs guava: What are the differences?

# Key Differences between Jackson and Guava

Jackson and Guava are two popular Java libraries that serve different purposes. While Jackson is primarily used for JSON processing, Guava offers a collection of core libraries and utilities for Java development. Below are the key differences between Jackson and Guava:

1. **Functionality**: 
Jackson is focused on JSON parsing, generation, and data binding, providing powerful tools for working with JSON data. On the other hand, Guava offers a wide range of utilities for common programming tasks such as collections, caching, functional programming, and more.

2. **Purpose**:
Jackson is mainly used for serialization and deserialization of JSON data in Java applications, making it an essential tool for working with web services, APIs, and data interchange formats. Guava, on the other hand, provides additional functionalities that help in everyday Java programming tasks, such as immutable collections, caching, and concurrency support.

3. **Community and Support**:
Jackson has a large and active user community with regular updates and improvements, making it a preferred choice for many developers working with JSON data. Guava is maintained by Google and has a solid reputation for reliability and performance, with regular updates and contributions from the open-source community.

4. **Integration**:
Jackson seamlessly integrates with popular frameworks like Spring, Hibernate, and JAX-RS, providing a robust ecosystem for working with JSON data in Java applications. Guava, on the other hand, is more focused on providing core Java utilities and does not have as many integrations with third-party libraries and frameworks.

5. **Performance**:
Jackson is known for its high performance and efficiency in JSON processing, making it a top choice for projects that require quick and reliable JSON serialization and deserialization. Guava, while efficient in its own right, may not offer the same level of performance specifically for JSON-related tasks.

6. **Dependencies**:
Jackson has minimal dependencies and can be easily integrated into Java projects without adding too much overhead. Guava, on the other hand, may require additional dependencies beyond the core library, depending on the specific functionalities needed for a given project.

In Summary, Jackson is mainly focused on JSON parsing and data binding, while Guava offers a broader set of core Java utilities and libraries for everyday programming tasks.

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    What is guava?

    The Guava project contains several of Google's core libraries that we rely on in our Java-based projects: collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth.

    What is Jackson?

    It is a suite of data-processing tools for Java (and the JVM platform), including the flagship streaming JSON parser / generator library, matching data-binding library (POJOs to and from JSON) and additional data format modules to process data encoded in Avro, BSON, CBOR, CSV, Smile, (Java) Properties, Protobuf, XML or YAML; and even the large set of data format modules to support data types of widely used data types such as Guava, Joda.

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    What tools integrate with guava?
    What tools integrate with Jackson?
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