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Gopi Gorantala

I'm Gopi — 15+ years in Java, building Kafka and Flink platforms for banks, where one lost event is a financial discrepancy. I write javahandbook.com because the guides I needed didn't exist. Everything here is tested against a real cluster first.

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What is a Function Interface In Java?

This lesson talks about the third functional interface, which is the Function.

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What is a Supplier Interface in Java?

This lesson talks about the second functional interface, which is the Supplier.

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Different Ways To Create Stream Objects

In this lesson, you will learn how to create streams in different ways with practical examples.

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What Are Sequential And Parallel Streams

In this lesson, you will learn about the two different modes of streams with examples.

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Reference to a Constructor (Method References)

In this lesson, you will learn about the fourth and final kind of method reference, "a reference to a constructor".

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Reference To An Instance method Of a Class (Method References)

In this lesson, you will learn about the third kind of method reference, "a reference to an instance method of an arbitrary object of a particular type". You will be introduced to a couple of simple examples and detailed explanations to understand this topic.

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Reference To Instance Method Of An Object (Method References)

In this lesson, you will learn about the second kind of method reference, "a reference to an instance method of an object". You will be introduced to complex object method references with example snippets and explanations.

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Reference to Static Method (Method References)

In this lesson, you will learn about the first kind of method reference, "a reference to static methods". You will be introduced to a complex object method reference with example snippets and explanations.

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Kinds Of Method References

In this lesson, you will be introduced to different kinds of method references and their syntaxes.

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What Are Method References?

In this lesson, you will learn about the method reference operator, its usage, and an example code with a detailed explanation.