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.
Mastering Arrays For Coding Interviews in Java
Arrays are fundamental data structures in computer science and serve as building blocks for complex ones.
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 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.
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.
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.
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
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
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
Gopi Gorantala Newsletter
Join the newsletter to receive the latest updates in your inbox.