java - Use of static init block -


I know how a static init block works.
Can anyone tell me some common uses of this?

When you want to start one or more static variables in one place

< P> This is useful, because you can apply exception handling, which is not possible with in-line initialization.

For example: 

  Public Static Image Default Icon = ImageIO.read (..);

can be started with 

  public static imaging default Inc.; Static {try {defaultIcon = ImageIO.read (..); } Hold (IOException pre) {System.out.println ("no default icon is available"); }}

Another application is a complex preliminary For example, if more than one line of code is needed to start an item, assume that you have a configuration: 

  Public Static Configuration Configuration; Stable {confuguration = new configuration (); Configuration.setSomething (..); Configuration.setSomethingElse (..); ...}

The third use is to start some external API infrastructure. An example from my current project: 

  Fixed {org.apache.xml .security.init.init (); }

But, as the Mikola Roundabayev pointed out, static initialization makes the block code less readable, so use them with caution, the same thing is more transparent in a steady manner.


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