StageDayCore ThemeJava/Backend AnalogyKey SkillsFoundationDay 1Env Setup & CompilationMaven/Gradle Init + javacNode.js Env, Hardhat Config, Dependency Mgmt, ESM vs CommonJSSecurityDay 2TDD (Test Driven Dev)JUnit + MockitoMocha/Chai Assertions, Ethers.js, Negative Testing (Revert), Boundary ChecksArchitectureDay 3Contract Upgrades (Proxy)Hot Swap / Interface vs ImplUUPS Proxy Pattern, Storage Layout, delegatecall, Persistent Local DeploymentInteractionDay 4Scripts & Automationpublic static voi...

StageDayCore ThemeJava/Backend AnalogyKey SkillsFoundationDay 1Env Setup & CompilationMaven/Gradle Init + javacNode.js Env, Hardhat Config, Dependency Mgmt, ESM vs CommonJSSecurityDay 2TDD (Test Driven Dev)JUnit + MockitoMocha/Chai Assertions, Ethers.js, Negative Testing (Revert), Boundary ChecksArchitectureDay 3Contract Upgrades (Proxy)Hot Swap / Interface vs ImplUUPS Proxy Pattern, Storage Layout, delegatecall, Persistent Local DeploymentInteractionDay 4Scripts & Automationpublic static voi...

Chapter 1: Smart Contract Development (The Backend)1. Concept: What is this?We are going to build a smart contract compliant with the ERC-721 standard. You can conceptualize this as an on-chain "Card Dispenser." Every card (NFT) possesses a unique Token ID and belongs to a specific wallet address.2. Purpose: Why do it this way?Standardization: Adhering to the ERC-721 standard is mandatory for your NFT to be recognized and displayed on platforms like OpenSea and MetaMask.Decentralized Storage:...

Chapter 1: Smart Contract Development (The Backend)1. Concept: What is this?We are going to build a smart contract compliant with the ERC-721 standard. You can conceptualize this as an on-chain "Card Dispenser." Every card (NFT) possesses a unique Token ID and belongs to a specific wallet address.2. Purpose: Why do it this way?Standardization: Adhering to the ERC-721 standard is mandatory for your NFT to be recognized and displayed on platforms like OpenSea and MetaMask.Decentralized Storage:...