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Why is duplicated code bad?
Code which includes duplicate functionality is more difficult to support, simply because it is longer, and. because if it needs updating, there is a danger that one copy of the code will be updated without further checking for the presence of other instances of the same code.
Should I refactor my code?
Refactoring is one of the most effective tools to keep your code quality high. That’s why you should make it a part of the software development routine and stop considering refactoring as an optional step to be taken from time to time.
What to do when you find duplicate code in a constructor?
If the duplicate code is inside a constructor, use Pull Up Constructor Body. If the duplicate code is similar but not completely identical, use Form Template Method. If two methods do the same thing but use different algorithms, select the best algorithm and apply Substitute Algorithm. If duplicate code is found in two different…
What are the signs of duplicate code in a program?
Duplicate Code 1 Signs and Symptoms. Two code fragments look almost identical. 2 Reasons for the Problem. Duplication usually occurs when multiple programmers are working on different parts of the same program at the same time. 3 Treatment. 4 Payoff.
How to find and remove duplicate code with clonedr?
CloneDR operates on a variety of languages: C, C++, C#, COBOL, EGL, Java, JavaScript, PHP, Python and many more. Example detection reports for each of these can be found at the link. I like CCFinderX a lot, but it is abandonware.
Which is the best tool to find duplicate code?
PMD is a good tool to find code duplication. Here is a link to the site. See our CloneDR tool. It finds duplicate code across large software systems, using compiler-accurate parsing to find matches guided by the language syntax (AST matching), ignoring changes in whitespace and linebreaks. It will find exact duplicates, and near-miss duplicates.