源码主要功用有如下2种作用

源码主要功用有如下2种作用：1.生成目标代码，即计算机可以识别的代码。2.对软件进行说明，即对软件的编写进行说明。为数不少的初学者，甚至少数有经验的程序员都忽视软件说明的编写，因为这部分虽然不会在生成的程序中直接显示，也不参与编译。但是说明对软件的学习、分享、维护和软件复用都有巨大的好处。因此，书写软件说明在业界被认为是能创造优秀程序的良好习惯，一些公司也硬性规定必须书写。

　　需要指出的是，源代码的修改不能改变已经生成的目标代码。如果需要目标代码做出相应的修改，必须重新编译。

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