Why reinvent the wheel? That cliche applies to software development where some developers frequently rewrite the same code for different programs. Two disadvantages with that approach are:
- It wastes time
- It introduces the potential for bugs in debugged code
As an alternative to rewriting the same code, many software development environments provide a library tool that organizes frequently used code. Once developers finish debugging some reusable code, they use the tool to store that code in a library—one or more files that contain frequently used code for use in various programs. During program-building, the compiler or library tool accesses the library to connect the program’s library-referenced code to the program.
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