Java Refactoring for Java Developers

How you can save yourself from spending hours of exhausting refactoring work or bug fixes with just one click!

We help you have fun with programming and to concentrate on the essentials: development!

Reduce your maintenance work by up to 47% so you can focus on the development
Get faster processes and state-of-the-art solutions with less work by running jSparrow
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An extensive documentation area, so you can learn how jSparrow improves your code

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Captain jSparrow

Dive into the world of jSparrow

YOUR JAVA REFACTORING PARTNER

jSparrow your All-in-One Refactoring Tool for Java

jSparrow is an Eclipse plugin that automates refactoring and therefore makes repetitive work unnecessary. jSparrow can help in the following regards: minimizing code smells, upgrading to new Java versions (transforming old language constructs in new language constructs), and getting performance improvements by using more efficient constructs.

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Eclipse IDE Workspace

/USER/../src/test/java/plugins/io.captain.jsparrow/codesample/

WelcomeAboardMate.java

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//This is an interactive marker example
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if (!isFailed(suite)) {
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final Orient orient = Orient.instance();
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if (orient != null) {
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// state is verified during shutdown
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} else {
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OByteBufferPool.instance(null).checkMemoryLeaks();
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}
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}
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Nested Loops can be replaced with flatMap

If the last statement on a method is an if-statement consisting of two or more statements, then a guard-if can be used instead and the body of the existing if-statement can be unwrapped.

1 quick fix available (interactive example):

Thousands of developers have refactored with jSparrow

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Save Time, Solve Issues

See statistics

228,616 Issues found

12,581 files fixed

15,997 hours 33 minutes time saved

Advantages of jSparrow

We promote education

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Splendid IT GmbH offers every official IT-student a voucher for 50% off globally. We value the next generation of java developers and we wish to support their growth with our product.

Unique incentives

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We offer a dedicated affiliate program with rewards for everyone who contributes to jSparrow’s growth.

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In our member’s area, you will obtain your personal referral link. You will benefit from every user registering through your personal recommendation and will be able to profit from jSparrow. For more information:

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State-of-the-art coding conventions

jSparrow 114 rules include the following tags

Performance

Performance in programs is usually related to avoiding unnecessary computations, optimizing loops, or using efficient methods provided by common APIs.

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Security

Security issues refer to vulnerabilities that can be exploited by an attacker to perform unauthorized actions within a computer program.

Readability

Readability refers to the ease with which a human reader can comprehend the purpose, control flow, and operation of source code.

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Testing

jSparrow rules, having this tag, are designed to improve JUnit test cases benefitting from the new features in JUnit 5 and other related testing libraries.