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Private Interface Methods
Last Updated: May 22, 2026
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11 min read
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The Duplication Problem
Adding private Methods to an Interface (Java 9)...
private (Non-Static) Interface Methods
private static Interface Methods
The Visibility and Inheritance Rules
A Real Refactor: Two Default Methods That Share Va...
Where the Two Kinds Differ in Practice
What This Does Not Change
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Functional Interface...
