Java provides a new feature called method reference in Java 8. Method reference is used to refer method of the functional interface. It is a compact and easy form of a lambda expression. Each time when you are using a lambda expression to just referring a method, you can replace your lambda expression with a method reference.

✨ It is shorter than a lambda expression

✨ It includes the name of the class, which contains the method; this improves the readability of the code.

There are four types of method references available

1️⃣ Static Method Reference

2️⃣ Instance Method Reference

3️⃣ Arbitrary object – Instance Method Reference

4️⃣ Constructor Reference

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