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Option: D) Compilation Error ✅ Explanation: The reason is that the variable 'y' is declared within the inner block, and its scope is limited to that block. It cannot be accessed outside of the block. In the line 'System.out.println(x + " " + y);, the variable 'y' is being accessed outside of its scope, which results in a 'compilation error'. The correct way to write the code would be to move the declaration of int y outside of the inner block if you intend to access it outside as well.

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#options

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*#What will be the output of the following Java program?*

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Complete Frontend + Server side Resources, Ebooks, Notes, Interview Questions Everything 🤩 Free Resources Channel https://t.me/CseHackTech https://drive.google.com/drive/folders/1-xmLdiHEtepyVeam-z2j3KdhZWPfCmL4 React with any random emoji, if you can access the resources 😄🔥 Hope this helps you!!

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👉𝐑𝐞𝐚𝐜𝐭 𝐉𝐒 𝐇𝐚𝐧𝐝𝐰𝐫𝐢𝐭𝐭𝐞𝐧 𝐍𝐨𝐭𝐞𝐬📝👨💻 ReactJS is an open-source JavaScript library for building user interfaces. It uses a virtual DOM, has a component-based architecture, and supports JSX syntax. It follows a unidirectional data flow and introduced React Hooks for state management. React Router is used for navigation in single-page applications. 𝐇𝐞𝐫𝐞 𝐚𝐫𝐞 𝐬𝐨𝐦𝐞 𝐤𝐞𝐲 𝐩𝐨𝐢𝐧𝐭𝐬 𝐚𝐛𝐨𝐮𝐭 𝐑𝐞𝐚𝐜𝐭𝐉𝐒: 1. 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 𝐥𝐢𝐛𝐫𝐚𝐫𝐲: ReactJS is a JavaScript library used for building user interfaces. 2. 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭-𝐛𝐚𝐬𝐞𝐝 architecture: ReactJS follows a component-based architecture, where UIs are built by combining reusable components. 3. 𝐕𝐢𝐫𝐭𝐮𝐚𝐥 𝐃𝐎𝐌: ReactJS uses a virtual DOM to efficiently update and render components, resulting in improved performance. 4. 𝐉𝐒𝐗 𝐬𝐲𝐧𝐭𝐚𝐱: ReactJS supports JSX syntax, which allows developers to write HTML-like code within JavaScript. 5. 𝐔𝐧𝐢𝐝𝐢𝐫𝐞𝐜𝐭𝐢𝐨𝐧𝐚𝐥 𝐝𝐚𝐭𝐚 𝐟𝐥𝐨𝐰: ReactJS follows a unidirectional data flow, where data flows from parent components to child components, making it easier to manage and track changes in the application state. 6. 𝐑𝐞𝐚𝐜𝐭 𝐇𝐨𝐨𝐤𝐬: React Hooks were introduced in ReactJS 16.8 and provide a way to use state and other React features in functional components, simplifying state management and reducing the need for class components. 7. 𝐑𝐞𝐚𝐜𝐭 𝐑𝐨𝐮𝐭𝐞𝐫: React Router is a popular routing library for ReactJS applications, allowing developers to handle navigation and routing in single-page applications. 8. 𝐋𝐚𝐫𝐠𝐞 𝐞𝐜𝐨𝐬𝐲𝐬𝐭𝐞𝐦: ReactJS has a large ecosystem with a vibrant community, extensive documentation, and a wide range of third-party libraries and tools to enhance development. These points provide a brief overview of ReactJS and its core features. Join for more: T.me/CseHackTech

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ReatJS_Notes_Part1.pdf

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👉 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 𝐇𝐚𝐧𝐝𝐰𝐫𝐢𝐭𝐭𝐞𝐧 𝐍𝐨𝐭𝐞𝐬 🔥 1️⃣ 𝐈𝐧𝐭𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧: JavaScript is a high-level programming language used for web development. 2️⃣ 𝐒𝐲𝐧𝐭𝐚𝐱: JavaScript uses a C-like syntax with semicolons and curly braces. 3️⃣ 𝐂𝐥𝐢𝐞𝐧𝐭-𝐬𝐢𝐝𝐞 𝐒𝐜𝐫𝐢𝐩𝐭𝐢𝐧𝐠: JavaScript runs on the user's web browser and adds interactivity to websites. 4️⃣ 𝐕𝐚𝐫𝐢𝐚𝐛𝐥𝐞𝐬 𝐚𝐧𝐝 𝐃𝐚𝐭𝐚 𝐓𝐲𝐩𝐞𝐬: JavaScript has dynamic typing and supports various data types. 5️⃣ 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐬: JavaScript uses functions for code reusability and supports different types of functions. 6️⃣ 𝐃𝐎𝐌 𝐌𝐚𝐧𝐢𝐩𝐮𝐥𝐚𝐭𝐢𝐨𝐧: JavaScript manipulates the HTML document structure using the Document Object Model (DOM). 7️⃣ 𝐄𝐯𝐞𝐧𝐭 𝐇𝐚𝐧𝐝𝐥𝐢𝐧𝐠: JavaScript handles user interactions by responding to events like clicks and form submissions. 8️⃣ 𝐀𝐬𝐲𝐧𝐜𝐡𝐫𝐨𝐧𝐨𝐮𝐬 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠: JavaScript supports asynchronous tasks using callbacks, promises, and async/await. 9️⃣ 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬 𝐚𝐧𝐝 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: JavaScript has a wide range of libraries and frameworks that extend its capabilities. 📌JavaScript is versatile and used for web, server-side, desktop, and mobile app development. It enables dynamic and interactive web experiences. Join for more: T.me/CseHackTech

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JavaScript_notes.pdf

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