Java can interface have methods

Constructors in Java. Interfaces in Java. Keywords in Java. Exception Handling in Java. Collection Framework. Multi-threading in Java. Table of Contents. Save Article. Improve Article. Like Article. Previous Encapsulation in Java. Next Nested Interface in Java. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.

While using W3Schools, you agree to have read and accepted our terms of use , cookie and privacy policy. Copyright by Refsnes Data. All Rights Reserved. The interface body can contain abstract methods , default methods , and static methods. An abstract method within an interface is followed by a semicolon, but no braces an abstract method does not contain an implementation. Default methods are defined with the default modifier, and static methods with the static keyword.

All abstract, default, and static methods in an interface are implicitly public , so you can omit the public modifier. In addition, an interface can contain constant declarations.

All method declarations in an interface, including static methods, are implicitly public , so you can omit the public modifier. For java version 7 or below , similar functionally you can achieve using nested class declared within interface body. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Can an interface method have a body? Ask Question. Asked 7 years, 7 months ago.

Active 3 years, 10 months ago. Viewed 95k times. Improve this question. Jdk 1. Thats impossible in Java — Salah. Java8 allows default method body for interfaces. Java 8, yes. Before that, no. Only in Java 8 default methods have been introduced.