BENEFITS OF PROCEDURES The user of a procedure needs to know what a procedure does, not how the procedure works. The benefits of procedures include the following Procedure abstraction(过程抽象) Implementation hiding(实现隐藏) Modular programs(模块化编程) Libraries(库)BENEFITS OF PROCEDURES The user of a procedure needs to know what a procedure does, not how the procedure works. The benefits of procedures include the following: – Procedure abstraction（过程抽象） – Implementation hiding（实现隐藏） – Modular programs（模块化编程） – Libraries（库）