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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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Substring Extraction From String in Java

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String Concatenation in Java

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String Comparisons in Java

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Overview Of String Methods

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Memory Management Of Strings in Java

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What is a String in Java?

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What is String Pool in Java?

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How To Create Strings in Java?

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How To Configure a Port For a Spring Boot Application

Learn how to change the default port in your Spring Boot application using application.properties, YAML, programmatic settings, or command-line arguments. Avoid port conflicts and customize your setup easily with these straightforward configuration methods.

How To Configure a Port For a Spring Boot Application
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Leetcode 238: Product Of Array Except Self

Leetcode 238: Product Of Array Except Self