[Google Guava] string processing: Connector, splitter, character match

Source: Internet
Author: User
Tags google guava

First, the connector "Joiner"

Second, the splitter "Splitter"

Three, character match "Charmatcher"


Iv. Character Set "Charsets"

  charsets: The six character sets that are guaranteed to support all Java platforms provide a constant reference. Try to use these constants instead of getting character set instances by name.

    Try {            byte[] bytes = Test.getbytes ("UTf-8");         Catch (unsupportedencodingexception e) {            e.printstacktrace ();        }

Change to the following expression:

byte [] bytes = Test.getbytes (charsets.utf_8);

is actually equivalent to:

byte [] bytes = Test.getbytes (Charset.forname ("UTF-8"));

V. Uppercase and lowercase format "Caseformat"

Caseformat is used to easily convert strings between various ASCII case specifications, such as the naming conventions for programming languages. Caseformat supports the following formats:

Format Example
Lower_camel Lowercamel
Lower_hyphen Lower-hyphen
Lower_underscore Lower_underscore
Upper_camel Uppercamel
Upper_underscore Upper_underscore

String Testcaseformat = CaseFormat.UPPER_UNDERSCORE.to (Caseformat.lower_camel, "constant_name");

[Google Guava] string processing: Connector, splitter, character match

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