[Technical translation] Guava-libraries (1): User Guide

Guava

However, you can search for javadoc over the Internet.

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• Basic utilities (Basic tool set): Used

Using and avoiding null (avoid null): null

Preconditions (:

Common object methods (Common object method): simplifies the implementation of object methods, such as hashCode () and toString. (Note: In Native java, an object acts as a Map)

Ordering: (SORT): Guava

Throwables: (throws an exception): simplifies the check exceptions and errors.

• Collections: Guava

Immutable collections: it is used for defensive programming, constant set, and efficiency improvement.

New collection types: to use JDKmultisets, multimaps, tables, bidirectional maps, there are more.

Powerful collection utilities: for native java Collections

Extension utilities: Write a collection package? Implement

• Caches: better use of local cache and support a wide range of survival time.
• Functional idioms: Conservative use, Guava
• Concurrency: A Powerful and simple abstract class makes it easier to write correct concurrent code.

 

ListenableFuture: There is a callback Futures when the call is completed.

Service: these tools help you start and shut down, and handle difficult status logic.

• Strings: some very useful string tools: splitting, joining, padding, and more.
• Primitives: allows you to operate on basic data types, such as int
• Ranges: Guava
• I/O: Simplified I/O streams and files in I/oJava 5 and 6.
• Hashing: provides more sophisticated tools than Object. hashCode.
• EventBus: Provides the Publish-subscribe-style communication mode between components, without explicitly registering components in another component.
• Math: JDK
• Reflection: java
• Tips: Use Guava

Philosophy: Guava

Using Guava in your build

Using ProGuard: Avoid

Apache Commons equivalents: Use Apache Commons Collections to help you change the code.

Compatibility ,(

Idea Graveyard, requests for a feature are not accidentally rejected.

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