1 Object-oriented and process-oriented What is the difference
A different starting point
2 different levels of logical relationships
3 different data processing mode control program
4 Design and Analysis of different ways transcoding
2 object-oriented features
Package 1
Each class protection for their data and methods only allow trusted classes and object manipulation of unreliable information hiding
2 Inheritance
Hierarchical Model-based and allows the link, encouraged reuse derived classes inherited from its base class and instance variables and methods derived class can add new methods to modify or
More than three-state