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Java / Methods

What is a method reference in Java 8?

A method reference is a Java 8 construct that can be used for referencing a method without invoking it. It is used for treating methods as Lambda Expressions.

They can only be used to replace a single-method lambda expression.

The general syntax of a method reference: Object :: methodName

In method reference, you place the object (or class) that contains the method before the :: operator and the name of the method after it without arguments.

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