java - Difference between singleton and eagersingleton for Gin or Guice? -


i wondering different between singleton , eagersingleton gin or guice?

from guice's wiki

eager singletons reveal initialization problems sooner, , ensure end-users consistent, snappy experience. lazy singletons enable faster edit-compile-run development cycle. use stage enum specify strategy should used.

  • eager: "create instance of class when module being run"
  • lazy: "create instance of class when it's first requested dependency injection"

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