{ "@context": "https://schema.org", "@graph": [ { "@type": "WebSite", "@id": "https://www.ggorantala.dev/#website", "url": "https://www.ggorantala.dev/", "name": "Gopi Gorantala", "description": "Staff engineer building Kafka and Flink platforms for banking. Production failures traced to root cause." }, { "@type": "Person", "@id": "https://www.ggorantala.dev/#person", "name": "Gopi Gorantala", "url": "https://www.ggorantala.dev/", "jobTitle": "Staff Software Engineer", "worksFor": { "@type": "Organization", "name": "ING Bank" }, "sameAs": [ "https://x.com/ggorantala", "https://www.linkedin.com/in/ggorantala/", "https://github.com/ggorantala", "https://leetcode.com/ggorantala" ] } ] }
Skip to content

Gopi Gorantala

Staff engineer architecting Kafka and Flink platforms for banking, where a dropped event is a reconciliation break, not a retry. Through javahandbook.com, I share production-tested guidance on building reliable event-driven systems.

  • Belgium
  • 195 Posts

How To Write Lambda Expressions

This lesson introduces the basic lambda expression structure with tips to write efficient code.

What Are Lambda Expressions?

This is an introductory lesson on lambda expressions. You will learn about the lambda operator, expression, syntaxes and more!

Paid

Power Of Two (Exercise Problem)

This is an exercise problem for your practice. Try to come up with an approach and solve it by yourself. Good Luck!

User-Defined Customer Interface (Exercise Problem)

This is an exercise problem for your practice. Try to come up with an approach and solve it by yourself. Good Luck!

What Are UnaryOperator And BinaryOperator?

Unary and Binary operators are the other two functional interfaces that most developers are interested in.

BiFunction Interface

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

What Is a Predicate Interface In Java?

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

What is a Function Interface In Java?

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

What is a Supplier Interface in Java?

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

What is Consumer Interface in Java?

This lesson talks about the first functional interface, which is the Consumer.