Code fragment-configurable by users + feasible by default

Source: Internet
Author: User

Implement a function to provide users with a basic version. Additional ideas to add support that users can configure.


  1. Use the default version: You can use the code in the simplest cases to run well.
  2. User Configuration: provides more options, which is a method of reuse.

Or in the source code of integer, the default cache size is

Int H = 127;

Optional processing: (read from the configuration file)

String integercachehighpropvalue = sun. Misc. VM. getsavedproperty ("Java. Lang. Integer. integercache. High"); If (integercachehighpropvalue! = NULL) {int I = parseint (integercachehighpropvalue); I = math. max (I, 127); // maximum array size is integer. max_valueh = math. min (I, integer. max_value-(-low);} high = h;

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