Home / cs-notes / Language / Java / Basic / Object / Instantiation

Approaches

• new
• Reflect
  • Class.newInstance
  • Constructor.newInstance
• clone
• Deserialize

Flow

• class load
  • compile
  • load
  • link
    • validate
    • prepare
    • resolve
  • init
  • use
  • unload
• mem alloc
• init zero value
• set object header
• init -> constructor

Class Loading

@startuml

(Current Class) -> (Interface)
(Interface) -> (Parrent Interface)
(Parrent Interface) -> (Parent Class)

@enduml

• class access
  • static member
  • reflect
  • force loading
    • Class.forName
    • ClassLoader.loadClass
• instance access

---