What to Use Instead of Class. newInstance()?

David Miller
David Miller
• • 1 min read

Class. newInstance() Is Marked Deprecated. Documentation Does Not Suggest Any Alternatives. How Are We Meant to Create Instances Now? 1 2 Answers to Quote Java...

What to Use Instead of Class. newInstance()?

Class.newInstance() is marked deprecated. Documentation does not suggest any alternatives. How are we meant to create instances now?

1

2 Answers

To quote Java 9's javadoc:

The call

clazz.newInstance()

can be replaced by

clazz.getDeclaredConstructor().newInstance()

6 
Class.getDeclaredConstructor(...).newInstance(...)

Refer to Google errorprone's documentation (for example) for a description of why.

Must Read

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

David Miller

David Miller

Executive Financial & Market Analyst
Twitter Linkedin Medium

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.

Share this article
Twitter Facebook Pinterest