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Gopi Gorantala

Hello, I'm Gopi. 👋

I'm a software engineer with over 14 years of experience specializing in Java technology stack. I've worked on projects ranging from startups to government initiatives in Europe and major tech companies across India and Europe.

As a self-taught engineer and digital nomad, I’m passionate about becoming a Java Champion and advocate. I share the most effective ways to write clean, efficient Java code, aiming to help engineers master the language and elevate their coding practices.

Explore my notes for insights into the latest Java trends and techniques, and check out my FREE online courses to enhance your skills!

Featured Posts

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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

Recent Posts

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Byte Primitive Type in Java

Understanding byte is essential, especially when working with large amounts of data or optimizing your program's memory usage. We'll cover its size, range, use cases, and provide example usage to solidify your understanding. What is the byte Type? In Java, byte is one of the eight

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Memory Allocation: Stack vs. Heap

Understanding where and how primitive types are stored in memory is crucial for writing efficient Java programs. Java uses two main types of memory allocation: stack and heap. Memory allocations Stack Memory What is the Stack? The stack is a region of memory that stores local variables and method calls.

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What Are Primitive Data Types In Java?

Introduction Data types in Java are divided into two types that are used to define variables include: 1. Primitive data types 2. Non-primitive (or reference) data types. Sketch The following sketch helps you understand how everything is divided based on its type. Primitive data types In Java, most of the

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Understanding Java Type System

Understanding the concepts of strong typing, static vs. dynamic typing is essential as they influence how Java handles data, enforces rules, and ensures the reliability of your programs. Understanding Java's Type System A type system in programming languages defines how variables are declared, what kinds of values they

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What Are Types in Java?

In this lesson, you will learn and explore the fundamental concept of types in Java. Understanding types is crucial as they form the backbone of managing and manipulating data in Java programs. 1. What Are Types in Java? 2. The Importance of Types 3. Primitive Types vs. Reference Types By