JavaWith.NextlevelCoders - Statistics & analytics of Telegram channel @nextlevelcoders

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Click this above link and go 11 December

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Java Lectures

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https://t.me/INeuronJavaDSAbyHitesh

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TCS placement https://drive.google.com/drive/folders/1I8QqnzZonRewbSnUMyfC9-tRduEJ4gyB

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कौन कहता है कामयाबी किस्मत तय करती है, इरादे में दम हो तो मंजिले भी झुका करती है.!!

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java.pdf

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Step by step guide to becoming a Java developer in 2024

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Typical java interview questions sorted by experience Junior * Name some of the characteristics of OO programming languages * What are the access modifiers you know? What does each one do? * What is the difference between overriding and overloading a method in Java? * What’s the difference between an Interface and an abstract class? * Can an Interface extend another Interface? * What does the static word mean in Java? * Can a static method be overridden in Java? * What is Polymorphism? What about Inheritance? * Can a constructor be inherited? * Do objects get passed by reference or value in Java? Elaborate on that. * What’s the difference between using == and .equals on a string? * What is the hashCode() and equals() used for? * What does the interface Serializable do? What about Parcelable in Android? * Why are Array and ArrayList different? When would you use each? * What’s the difference between an Integer and int? * What is a ThreadPool? Is it better than using several “simple” threads? * What the difference between local, instance and class variables? Mid * What is reflection? * What is dependency injection? Can you name a few libraries? (Have you used any?) * What are strong, soft and weak references in Java? * What does the keyword synchronized mean? * Can you have “memory leaks” on Java? * Do you need to set references to null on Java/Android? * What does it means to say that a String is immutable? * What are transient and volatile modifiers? * What is the finalize() method? * How does the try{} finally{} works? * What is the difference between instantiation and initialisation of an object? * When is a static block run? * Why are Generics are used in Java? * Can you mention the design patterns you know? Which of those do you normally use? * Can you mention some types of testing you know? Senior * How does Integer.parseInt() works? * Do you know what is the “double check locking” problem? * Do you know the difference between StringBuffer and StringBuilder? * How is a StringBuilder implemented to avoid the immutable string allocation problem? * What does Class.forName method do? * What is Autoboxing and Unboxing? * What’s the difference between an Enumeration and an Iterator? * What is the difference between fail-fast and fail safe in Java? * What is PermGen in Java? * What is a Java priority queue? * *s performance influenced by using the same number in different types: Int, Double and Float? * What is the Java Heap? * What is daemon thread? * Can a dead thread be restarted? Source:- NextLevelCoder Write Answer This Questions

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What are the different Applications of Java? Mobile Applications Desktop GUI Web-based Applications Enterprise Applications Scientific Applications Gaming Applications Big Data technologies Business Applications Distributed Applications Cloud-based Applications

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_Operating System RoadMap | |-- Kernel | |-- Memory Management | | |-- Paging | | |-- Segmentation | | |-- Virtual Memory | | | |-- Process Management | | |-- Process Scheduling | | |-- Inter-Process Communication (IPC) | | |-- Threads | | | |-- File System | | |-- File I/O | | |-- Directory Structure | | |-- File Permissions | | | |-- Device Drivers | | |-- Communication with Hardware | | |-- Input/Output (I/O) | | | |-- System Calls | |-- Interface to Kernel Functionality | |-- Examples: open(), read(), write(), etc. | |-- Memory Management | |-- RAM | | |-- Stack | | |-- Heap | | |-- Data Segment | | |-- Code Segment | | | |-- Cache | | |-- L1, L2, L3 Caches | | | |-- Virtual Memory | |-- Page Table | |-- Page Replacement Algorithms | |-- Swapping | |-- File System | |-- File Organization | |-- File Allocation Table (FAT) | |-- Inodes | |-- File Access Methods | |-- Networking | |-- TCP/IP | |-- Protocols | |-- Network Stack | |-- Routing | |-- Firewalls | |-- Security | |-- Authentication | |-- Authorization | |-- Encryption | |-- Access Control Lists (ACL) | |-- Process Management | |-- PCB (Process Control Block) | |-- Context Switching | |-- Deadlocks | |-- Synchronization | |-- Mutual Exclusion | |-- Device Management | |-- I/O Buffering | |-- Device Controllers | |-- Interrupt Handling | |-- DMA (Direct Memory Access) | |-- User Interface | |-- Graphical User Interface (GUI) | |-- Command Line Interface (CLI) | |-- Windowing Systems | |-- Shell | |-- Command Interpreter | |-- Scripting | |-- Job Control | |-- System Utilities | |-- Task Manager | |-- Disk Cleanup | |-- System Monitor | |-- Backup and Restore | |-- Boot Process | |-- BIOS/UEFI | |-- Boot Loader | |-- Kernel Initialization | |-- Init Process | |-- System Libraries | |-- Standard C Library | |-- POSIX Library | |-- WinAPI (for Windows) | |-- System Calls | |-- File System Calls | |-- Process Control Calls | |-- Memory Management Calls | |-- Communication Calls | |-- Error Handling | |-- Error Codes | |-- Logging | |-- Recovery Strategies | |-- Distributed Systems | |-- Clustering | |-- Load Balancing | |-- Distributed File Systems | |-- Cloud Computing | |-- Virtualization | |-- Infrastructure as a Service (IaaS) | |-- Platform as a Service (PaaS) | |-- Software as a Service (SaaS) | └-- Comments |-- // Single-line comment └-- /* Multi-line comment */

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Top 7 Highest Paying Tech Jobs ➿➿➿➿➿➿➿➿➿➿➿ for Coders & Engineers Machine Learning Engineer: ➡️Develop and implement machine learning algorithms and models. ➡️Work on projects related to artificial intelligence and data science. Data Scientist: ➡️Analyze and interpret complex data sets to inform business decision-making. ➡️Utilize statistical techniques and machine learning algorithms. Blockchain Developer: ➡️Design, implement, and maintain blockchain solutions. ➡️Develop decentralized applications (DApps) and smart contracts. DevOps Engineer: ➡️Focus on improving collaboration between development and operations teams. ➡️Automate and streamline the software delivery process. Full-Stack Developer: ➡️Possess proficiency in both front-end and back-end development. ➡️Work on end-to-end development of web applications. Cloud Solutions Architect: ➡️Design and implement scalable and secure cloud infrastructure. ➡️Work with cloud platforms like AWS, Azure, or Google Cloud. Cybersecurity Engineer: ➡️Protect systems, networks, and programs from digital attacks. ➡️Implement security measures to safeguard sensitive information. 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥

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https://instagram.com/next.levelcoder?utm_source=qr&igshid=OGIxMTE0OTdkZA==

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💟Placement Material - TCS https://drive.google.com/drive/u/0/folders/1I8QqnzZonRewbSnUMyfC9-tRduEJ4gyB 💟Placement Material - Zenpact https://drive.google.com/drive/u/0/folders/1xWFAJguXXuvjRKYB5aWBiyrftCxxozK- 💟Placement Material - Audi Time https://drive.google.com/drive/u/0/folders/1oiJn-YcJwZ7_UQ_keW6qA3-GUW19sK6Q 💟Placement Material - TEK system https://drive.google.com/drive/u/0/folders/1cgUttmyCZcFsqqk8uKZVSV_qi7oe32Ov 💟Placement Material - Cocubes https://drive.google.com/drive/u/0/folders/17iQT-S9qT0HUyA-Ks1QDJs_cTBZp5gGN 💟 Infosys, Accenture, HCL -> https://bit.ly/NextLevel-AI

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Top 150 Core Java Interveiw Questions and Answers (1) (1).pdf

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🔴 Company:- 9 Company ( GeeksforGeeks, Dovelp,LYBL,Pulse,Parkmate ) is hiring Exam Date: 10 OCT 2023 Job Role :- Software Engineer,Full Stack, Salesforce,Devops,Angular Developer,MERN,NodeJS Developer Experienced Required : - 1 to 6 years Eligibility : All Degree Eligible Salary Range :- 7 to 20LPA+ (Depend upon Experience) Job Location - Pan in India Telegram:- https://t.me/nextlevelcoders Instagram Job Page:https://instagram.com/next.levelcoder?igshid=MzMyNGUyNmU2YQ== ❗️ Apply Link : https://bit.ly/3tapWAm

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Hibernate Notes.pdf

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Software Engineer Interview Questions.pdf