Method Reference Java 8

Method Reference Java 8. The method reference Person::compareByAge is semantically the same as the lambda expression (a, b) -> Person.compareByAge(a, b). Method reference points to the method by its name by replacing a single-method lambda expression.

Java 8 - Lambdas and method references (Terry Barker)

Method reference is used to refer method of the functional interface. In those cases, it's often clearer to refer to the existing method by name. Sometimes, however, a lambda expression does nothing but call an existing method.

In general, we can provide Method references in three ways.

In those cases, it's often clearer to refer to the existing method by name.

Java 8 - Lambdas and method references

Java 8 Method References

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Java 8 - Lambdas and method references

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Method References Example of method reference When to use method reference When you can not use method reference Kind of method references. This tutorial explains the method reference concept in detail. Sometimes, however, a lambda expression does nothing but call an existing method.

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