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Gopi Gorantala

Hello 👋, My name is Gopi, and I am a full-stack developer with a decade of experience and a deep understanding of Java, Microservices, and React. I worked in India and Europe for fast-paced startups, the European government, and tech giants that include Apple, Intel, EMC2(Dell), and JiveSoftware.

I've mostly taught myself and have been freelancing since 2016 while living as a Digital Nomad. This site contains my learnings, experiences, tools, etc. My written notes and courses cover the most trending software topics.

Featured Posts

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Mastering Arrays For Coding Interviews in Java

Arrays are fundamental data structures in computer science and serve as building blocks for complex ones.

Mastering Arrays For Coding Interviews in Java
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How To Prevent cannot read property map of undefined

The "cannot read property map of undefined" error occurs when we try to call the map method on a variable that stores an undefined or null value.

How To Prevent cannot read property map of undefined
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How can I remove a specific item from an array in JavaScript?

Removing a specific item from an array is the most use case a developer runs into. You will learn more than 7 ways to achieve this.

How can I remove a specific item from an array in JavaScript?
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A Complete Guide To JavaScript LocalStorage

localStorage is a property of the window object in JavaScript that allows you to store key/value pairs in a web browser. The data stored in localStorage persist even after the browser is closed, making it a useful tool for saving user data on the client side.

A Complete Guide To JavaScript LocalStorage
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How to Prevent cannot read property split of undefined

The "cannot read property split of undefined" error occurs when we try to call the split() method on a variable that stores an undefined value.

How to Prevent cannot read property split of undefined

Recent Posts

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Differences Between JDK, JRE, and JVM?

Short answer JDK, JRE, and JVM are essential components of the Java platform, each serving a distinct purpose. Here are the key differences between them: 1. JDK (Java Development Kit): The JDK is used by developers to write, compile, and debug Java code. 2. JRE (Java Runtime Environment): End-users use

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Difference Between String and char[] in Java

Short answer Strings String is an object with many helpful methods. String class in Java's standard library is designed to handle text as a sequence of characters. A string of characters (string object) is non-modifiable or immutable in Java. Once you've created it, you cannot modify it. This means when

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What is an Object class in Java?

Short answer Object class is the super class of every class you can create. In Java, a class extends another class using the keyword extends. If you don't have any other class to extend, that's fine. The compiler will make your class extend the Object class. // your class class Template