Quick Answer: What Happens During Code Review?

What do you look for in a Java code review?

Does Code meet the functional requirement: first and foremost does code meets all requirements which it should meet, point out if anything has been left out.2) Side effect on existing code.

3) Concurrency.

4) Readability and maintenance.

5) Consistency.

6) Performance.

7) Error and Exception handling.

8) Simplicity.More items….

How do you run a code review?

10 tips to guide you toward effective peer code reviewReview fewer than 400 lines of code at a time. … Take your time. … Do not review for more than 60 minutes at a time. … Set goals and capture metrics. … Authors should annotate source code before the review. … Use checklists. … Establish a process for fixing defects found.More items…

What is a good code review?

Good code reviews look at the change itself and how it fits into the codebase. They will look through the clarity of the title and description and “why” of the change. They cover the correctness of the code, test coverage, functionality changes, and confirm that they follow the coding guides and best practices.

Does Google use Gerrit?

Google’s code review tooling Two main code review systems are predominant at Google. For open-source code and code shared with collaborators outside, like Go, Chromium, Android Googlers use the Gerrit code review tool. Gerrit is an open-source code review tool that integrates with Git.

What does nit mean in code review?

trivial itemA “nit” means a trivial item.

How long does a code review take?

Take enough time for a proper, slow review, but not more than 60–90 minutes. Be sure that authors annotate source code before the review begins. Establish quantifiable goals for code review and capture metrics so you can improve your processes.

How do you improve quality of code?

How to Improve Code Quality: A Closer LookUse a Coding Standard. Using a coding standard is one of the best ways to ensure high quality code. … Analyze Code — Before Code Reviews. Quality should be a priority from the very start of development. … Follow Code Review Best Practices. … Refactor Legacy Code (When Necessary)

What is a code review tool?

Code Review is nothing but testing the Source Code. Generally, it is used to find out the bugs at early stages of the development of software. … The Code Review Tools automates the review process which in turn minimizes the reviewing task of the code.

What is meant by code walkthrough?

Code Walkthrough is a form of peer review in which a programmer leads the review process and the other team members ask questions and spot possible errors against development standards and other issues. The meeting is usually led by the author of the document under review and attended by other members of the team.

Are code reviews worth it?

What kinds of problems do code reviews prevent? They sometimes catch bugs, yes, but there are mixed reports of how reliably that works. In fact, static analysis tools and unit tests are much better than reviews at ratcheting up and maintaining correctness in individual pieces of code over time.

How long is Google’s code?

We can answer in terms of code. Google’s Rachel Potvin came pretty close to an answer Monday at an engineering conference in Silicon Valley. She estimates that the software needed to run all of Google’s Internet services—from Google Search to Gmail to Google Maps—spans some 2 billion lines of code.

Which is a code coverage tool?

Code coverage tools are available for many programming languages and as part of many popular QA tools. They are integrated with build tools like Ant, Maven, and Gradle, with CI tools like Jenkins, project management tools like Jira, and a host of other tools that make up the software development toolset.

Which tool helps in process measurement of the code?

Sonar is a Java based server side application for code measurement. It is mostly targeting Java, but support for other languages is available via plugins.

What is the purpose of a code review?

The primary purpose of code review is to make sure that the overall code health of Google’s code base is improving over time. All of the tools and processes of code review are designed to this end. In order to accomplish this, a series of trade-offs have to be balanced.