Why Is Eclipse Code Completion Not Working and How Can I Fix It?

Troubleshooting Eclipse Code Completion Issues

In this article, we address the problem of Eclipse's code completion not functioning when editing Java projects. After typing "String." and pressing Ctrl Space, the user encounters a "No Default Proposals" message in a popup window.

Upon examining the preferences, it becomes evident that the Content Assist settings have been altered. To resolve this issue, it is essential to restore the default options in "Windows > Preferences > Java > Editor > Content Assist > Advanced."

The default content assist list includes the following proposal kinds:

• Other Java Proposals
• SWT Template Proposals
• Template Proposals
• Type Proposals

Once these defaults are restored, Eclipse's code completion functionality will be fully operational, allowing the user to receive suggestions and assistance during Java development.

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