vinstar / java_base

java base

java_base

pers sample

java base

• java block
  • static block
  • non-static block
  • constructor block
• class load
  • class load order

data structure

• enum
• array
• collection
  • List
    • ArrayList
    • LinkList(implements queue)
    • Vector
  • Map
    • HashMap
    • LinkedHashMap
    • HastTable
    • TreeMap
  • Set
    • HashSet
    • TreeSet
  • Queue
    • java implement queue

algorithm

• sort
  • bubble sort
  • choose sort
  • quick sort

keyword

• static
• this

OOP (Object-oriented programming)

• Definition
  • Abstraction (抽象)
    • abstractSample
  • Encapsulation (封装)
    • private
  • Inheritance (继承)
    • inheritSample
  • Polymorphism (多态)
• Principle
  • SRP Single Responsibility Principle (单一职责原则)
  • OCP Open－Close Principle (开放封闭原则)
  • LSPt the Liskov Substitution Principle (替换原则)
  • DIP the Dependency Inversion Principle (依赖原则)
  • ISP the Interface Segregation Principle (接口分离原则)

design pattern

• factory
• proxy
• singleton