课程 Java程序设计7：Advanced Class Features (怀旧版)

Advanced Class Features:

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• Describe static variables, methods, and initializers
• Describe final classes, methods, and variables
• Explain how and when to use abstract classes and methods
• Explain how and when to use inner classes
• Distinguish between static and non- static inner classes
• Explain how and when to use an interface
• In a Java software program, identify:
  
  • static methods and attributes
  • final methods and attributes
  • Inner classesinterface and abstract classes
  • abstract methods