How do you handle duplicate codes?

How do you handle duplicate codes?

How to remove duplicate code?

1. The same method, create the same Local Variable and reuse it.
2. The same class, create common Method refactoring.
3. Subclasses of the same hierarchy, you should Extract Method and Pull it Up.
4. Two different classes, you can use objects.

What is considered duplicate code?

Duplicate code is a computer programming term for a sequence of source code that occurs more than once, either within a program or across different programs owned or maintained by the same entity. Duplicate code is generally considered undesirable for a number of reasons.

How do I get rid of duplicate code warning in IntelliJ?

Disable the inspection Place the caret at the code element for which you want to disable the inspection and press Alt+Enter . next to the Show all duplicates like this action and select Disable inspection.

How do I stop duplicating codes?

To avoid the problem of duplicated bugs, never reuse code by copying and pasting existing code fragments. Instead, put it in a method if it is not already in one, so that you can call it the second time that you need it.

How does Sonarqube reduce duplicate lines?

Best Practices

1. Analyze those duplications and eliminate them by using inheritance or other suitable patterns (do this only if you have unit tests on the blocks to change)
2. Do not forget to replicate your changes wherever it is necessary on the duplicated blocks.

How do I remove duplicates in bash?

The uniq command is used to remove duplicate lines from a text file in Linux. By default, this command discards all but the first of adjacent repeated lines, so that no output lines are repeated. Optionally, it can instead only print duplicate lines.

How do I find duplicate lines in SonarQube?

To detect duplications between the modules of your project and between the different projects analyzed on your SonarQube platform, log in as a a System administrator, go to Settings > General Settings > General > Duplications and set the Cross project duplication detection property to true.

How do I turn off sonar warning?

This is a FAQ. You can put //NOSONAR at the end of the line triggering the warning. For most languages, SonarQube supports the use of the generic mechanism: //NOSONAR at the end of the line of the issue. This will suppress all issues – now and in the future – that might be raised on the line.

Which is the best definition of duplicate code?

Duplicate code. Duplicate code is a computer programming term for a sequence of source code that occurs more than once, either within a program or across different programs owned or maintained by the same entity.

Can a code sequence be a duplicate of another code sequence?

Two code sequences may be duplicates of each other without being character-for-character identical, for example by being character-for-character identical only when white space characters and comments are ignored, or by being token-for-token identical, or token-for-token identical with occasional variation.

What are the benefits of Refactoring duplicate code?

Refactoring duplicate code can improve many software metrics, such as lines of code, cyclomatic complexity, and coupling. This may lead to shorter compilation times, lower cognitive load, less human error, and fewer forgotten or overlooked pieces of code.

Why are there so many duplicates in a generator?

Automatically generated code, where having duplicate code may be desired to increase speed or ease of development, is another reason for duplication. Note that the actual generator will not contain duplicates in its source code, only the output it produces.