Currently familiar method systems have Structured systems Analysis and Design, Prototyping method and Object Oriented method.

目前常见的几种方法体系有：结构化分析法、原型法和面向对象法。

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What wows? our third question, introduces the experimental dimension using tools like assumption testing and prototyping, core elements of design thinking.

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Around that time he was taking classes at the d.school, learning about design thinking, about empathy, about iterative prototyping.

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With the prototyping out of the way, now the team is finishing up the API and ironing out the final design.

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