Prepare for GATE: The Right Time is NOW!
GeeksforGeeks brings you everything you need to crack GATE 2026 – 900+ live hours, 300+ recorded sessions, and expert mentorship to keep you on track.
What’s inside?
✔ Live & recorded classes with India’s top educators
✔ 200+ mock tests to track your progress
✔ Study materials - PYQs, workbooks, formula book & more
✔ 1:1 mentorship & AI doubt resolution for instant support
✔ Interview prep for IITs & PSUs to help you land opportunities
Learn from Experts Like:
Satish Kumar Yadav – Trained 20K+ students
Dr. Khaleel – Ph.D. in CS, 29+ years of experience
Chandan Jha – Ex-ISRO, AIR 23 in GATE
Vijay Kumar Agarwal – M.Tech (NIT), 13+ years of experience
Sakshi Singhal – IIT Roorkee, AIR 56 CSIR-NET
Shailendra Singh – GATE 99.24 percentile
Devasane Mallesham – IIT Bombay, 13+ years of experience
Use code UPSKILL30 to get an extra 30% OFF (Limited time only)
📌 Enroll for a free counseling session now: https://gfgcdn.com/tu/UI2/
GeeksforGeeks brings you everything you need to crack GATE 2026 – 900+ live hours, 300+ recorded sessions, and expert mentorship to keep you on track.
What’s inside?
✔ Live & recorded classes with India’s top educators
✔ 200+ mock tests to track your progress
✔ Study materials - PYQs, workbooks, formula book & more
✔ 1:1 mentorship & AI doubt resolution for instant support
✔ Interview prep for IITs & PSUs to help you land opportunities
Learn from Experts Like:
Satish Kumar Yadav – Trained 20K+ students
Dr. Khaleel – Ph.D. in CS, 29+ years of experience
Chandan Jha – Ex-ISRO, AIR 23 in GATE
Vijay Kumar Agarwal – M.Tech (NIT), 13+ years of experience
Sakshi Singhal – IIT Roorkee, AIR 56 CSIR-NET
Shailendra Singh – GATE 99.24 percentile
Devasane Mallesham – IIT Bombay, 13+ years of experience
Use code UPSKILL30 to get an extra 30% OFF (Limited time only)
📌 Enroll for a free counseling session now: https://gfgcdn.com/tu/UI2/
👍4
Java Developer Interview ❤
𝗧𝗼𝗽𝗶𝗰 𝟭: 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗳𝗹𝗼𝘄 𝗮𝗻𝗱 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲
- Please tell me about your project and its architecture, Challenges faced?
- What was your role in the project? Tech Stack of project? why this stack?
- Problem you solved during the project? How collaboration within the team?
- What lessons did you learn from working on this project?
- If you could go back, what would you do differently in this project?
𝗧𝗼𝗽𝗶𝗰 𝟮: 𝗖𝗼𝗿𝗲 𝗝𝗮𝘃𝗮
- String Concepts/Hashcode- Equal Methods
- Immutability
- OOPS concepts
- Serialization
- Collection Framework
- Exception Handling
- Multithreading
- Java Memory Model
- Garbage collection
Tech Community
👉 t.me/Java_Programming_Notes
𝗧𝗼𝗽𝗶𝗰 𝟯: 𝗝𝗮𝘃𝗮-𝟴/𝗝𝗮𝘃𝗮-𝟭𝟭/𝗝𝗮𝘃𝗮𝟭𝟳
- Java 8 features
- Default/Static methods
- Lambda expression
- Functional interfaces
- Optional API
- Stream API
- Pattern matching
- Text block
- Modules
𝗧𝗼𝗽𝗶𝗰 𝟰: 𝗦𝗽𝗿𝗶𝗻𝗴 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸, 𝗦𝗽𝗿𝗶𝗻𝗴-𝗕𝗼𝗼𝘁, 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲, 𝗮𝗻𝗱 𝗥𝗲𝘀𝘁 𝗔𝗣𝗜
- Dependency Injection/IOC, Spring MVC
- Configuration, Annotations, CRUD
- Bean, Scopes, Profiles, Bean lifecycle
- App context/Bean context
- AOP, Exception Handler, Control Advice
- Security (JWT, Oauth)
- Actuators
- WebFlux and Mono Framework
- HTTP methods
- JPA
- Microservice concepts
- Spring Cloud
𝗧𝗼𝗽𝗶𝗰 𝟱: 𝗛𝗶𝗯𝗲𝗿𝗻𝗮𝘁𝗲/𝗦𝗽𝗿𝗶𝗻𝗴-𝗱𝗮𝘁𝗮 𝗝𝗽𝗮/𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 (𝗦𝗤𝗟 𝗼𝗿 𝗡𝗼𝗦𝗤𝗟)
- JPA Repositories
- Relationship with Entities
- SQL queries on Employee department
- Queries, Highest Nth salary queries
- Relational and No-Relational DB concepts
- CRUD operations in DB
- Joins, indexing, procs, function
𝗧𝗼𝗽𝗶𝗰 𝟲: 𝗖𝗼𝗱𝗶𝗻𝗴
- DSA Related Questions
- Sorting and searching using Java API.
- Stream API coding Questions
Tech Jobs and Internships
t.me/getjobss
𝗧𝗼𝗽𝗶𝗰 𝟳: 𝗗𝗲𝘃𝗼𝗽𝘀 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝗼𝗻 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀
- These types of topics are mostly asked by managers or leads who are heavily working on it, That's why they may grill you on DevOps/deployment-related tools, You should have an understanding of common tools like Jenkins, Kubernetes, Kafka, Cloud, and all.
𝗧𝗼𝗽𝗶𝗰𝘀 𝟴: 𝗕𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲
- The interviewer always wanted to ask about some design patterns, it may be Normal design patterns like singleton, factory, or observer patterns to know that you can use these in coding.
PDFs and Notes 📝
t.me/Java_Programming_Notes
Best Programming Resources: https://topmate.io/coding/886839
All the best 👍👍
𝗧𝗼𝗽𝗶𝗰 𝟭: 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗳𝗹𝗼𝘄 𝗮𝗻𝗱 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲
- Please tell me about your project and its architecture, Challenges faced?
- What was your role in the project? Tech Stack of project? why this stack?
- Problem you solved during the project? How collaboration within the team?
- What lessons did you learn from working on this project?
- If you could go back, what would you do differently in this project?
𝗧𝗼𝗽𝗶𝗰 𝟮: 𝗖𝗼𝗿𝗲 𝗝𝗮𝘃𝗮
- String Concepts/Hashcode- Equal Methods
- Immutability
- OOPS concepts
- Serialization
- Collection Framework
- Exception Handling
- Multithreading
- Java Memory Model
- Garbage collection
Tech Community
👉 t.me/Java_Programming_Notes
𝗧𝗼𝗽𝗶𝗰 𝟯: 𝗝𝗮𝘃𝗮-𝟴/𝗝𝗮𝘃𝗮-𝟭𝟭/𝗝𝗮𝘃𝗮𝟭𝟳
- Java 8 features
- Default/Static methods
- Lambda expression
- Functional interfaces
- Optional API
- Stream API
- Pattern matching
- Text block
- Modules
𝗧𝗼𝗽𝗶𝗰 𝟰: 𝗦𝗽𝗿𝗶𝗻𝗴 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸, 𝗦𝗽𝗿𝗶𝗻𝗴-𝗕𝗼𝗼𝘁, 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲, 𝗮𝗻𝗱 𝗥𝗲𝘀𝘁 𝗔𝗣𝗜
- Dependency Injection/IOC, Spring MVC
- Configuration, Annotations, CRUD
- Bean, Scopes, Profiles, Bean lifecycle
- App context/Bean context
- AOP, Exception Handler, Control Advice
- Security (JWT, Oauth)
- Actuators
- WebFlux and Mono Framework
- HTTP methods
- JPA
- Microservice concepts
- Spring Cloud
𝗧𝗼𝗽𝗶𝗰 𝟱: 𝗛𝗶𝗯𝗲𝗿𝗻𝗮𝘁𝗲/𝗦𝗽𝗿𝗶𝗻𝗴-𝗱𝗮𝘁𝗮 𝗝𝗽𝗮/𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 (𝗦𝗤𝗟 𝗼𝗿 𝗡𝗼𝗦𝗤𝗟)
- JPA Repositories
- Relationship with Entities
- SQL queries on Employee department
- Queries, Highest Nth salary queries
- Relational and No-Relational DB concepts
- CRUD operations in DB
- Joins, indexing, procs, function
𝗧𝗼𝗽𝗶𝗰 𝟲: 𝗖𝗼𝗱𝗶𝗻𝗴
- DSA Related Questions
- Sorting and searching using Java API.
- Stream API coding Questions
Tech Jobs and Internships
t.me/getjobss
𝗧𝗼𝗽𝗶𝗰 𝟳: 𝗗𝗲𝘃𝗼𝗽𝘀 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝗼𝗻 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀
- These types of topics are mostly asked by managers or leads who are heavily working on it, That's why they may grill you on DevOps/deployment-related tools, You should have an understanding of common tools like Jenkins, Kubernetes, Kafka, Cloud, and all.
𝗧𝗼𝗽𝗶𝗰𝘀 𝟴: 𝗕𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲
- The interviewer always wanted to ask about some design patterns, it may be Normal design patterns like singleton, factory, or observer patterns to know that you can use these in coding.
PDFs and Notes 📝
t.me/Java_Programming_Notes
Best Programming Resources: https://topmate.io/coding/886839
All the best 👍👍
👍6
Java Backend Development is a highly in-demand and well-paying job in the tech industry.
If you're looking to become an excellent Java Developer, here's a roadmap that includes various online resources:
1. Core Java
First comes the fundamentals of Java Programming, here you will understand OOP concepts, conditional statements, collection frameworks,and many more.
https://youtube.com/playlist?list=PLd3UqWTnYXOnjGmyjD3zbIkyLXP15-6w0&si=UYvQhVNlZQYCH1Il
2. JDBC
A Java API that allows you to access tabular data, especially data stored in a relational database.
https://youtube.com/playlist?list=PLsyeobzWxl7rU7Jz3zDRpqB-EODzBbHOI&si=Cc45vpeRXGIUKbfn
3. SQL
Get a good understanding of SQL, which is necessary to work with JDBC to write queries.
https://youtu.be/7S_tz1z_5bA
4. JSP + Servlet
Learn JSP and Servlet, which are used for writing web pages for web applications and handling client requests on the server-side.
https://youtube.com/playlist?list=PLE0F6C1917A427E96&si=TQeOIgluG3R29622
5. Spring Framework
5.1. Core Spring Framework
https://youtu.be/GB8k2-Egfv0?si=dHYp6rFkGVl9RMt8
5.2. Spring REST & Spring DATA
https://youtu.be/GwYUjzPrQTM?si=hJfmpukii2WnofxQ
5.3. Spring Security
Spring Security is the primary choice for implementing application-level security
https://youtu.be/sm-8qfMWEV8?si=uMkpBxOUXIptZif9
6. Hibernate Framework
Hibernate is a Java framework that simplifies the development of Java application to interact with the database. It is an open source, lightweight, ORM (Object Relational Mapping) tool.
https://youtu.be/Yv2xctJxE-w?si=q4FIOBxxX-Y0Qj5q
7. Spring Boot
Spring Boot is the ultimate framework and Makes Java Web Development less boilerplate, it can help you make production-ready applications in no time.
https://youtu.be/msXL2oDexqw?si=XB19MCCECAggcB18
8. Basic DevOps
8.1. Learn to Use AWS & Deploy Java Apps
https://youtube.com/playlist?list=PLVz2XdJiJQxxurKT1Dqz6rmiMuZNdClqv&si=bJyg0Np11PkGDIKO
8.2. Learn Basic Docker:
https://youtu.be/p28piYY_wv8?si=Xoqje7MJad1NeE9g
8.3. Learn Basic Kubernetes:
https://youtu.be/rTNR7vDQDD8?si=dgzwxQof7yGHUP4n
8.4. Deploy Spring Boot App on Kubernetes:
https://youtu.be/EZolJ4lNiYc?si=Kw09qKwMp_LxHTvw
9. Basic of git and GitHub
https://youtu.be/apGV9Kg7ics?si=MHtCgD8o7XqpU4W3
10. Java Microservices
https://youtu.be/tuJqH3AV0e8?si=1jjrWl4l4uYGrE5i
14. Java Quick revision for Interviews
https://youtu.be/oYXivKMSEqM?si=tngbZrvgbAwsShEb
15. Spring JMS(java messaging services)
JMS is a standard Java API that allows a Java application to send messages to another application.
https://youtube.com/playlist?list=PLmCsXDGbJHdibOx6axScPiuHA8ftsrmut&si=J0qjBSbB4GDCeTOv
𝐉𝐨𝐢𝐧 𝐭𝐡𝐢𝐬 𝐭𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐠𝐫𝐨𝐮𝐩 𝐟𝐨𝐫 𝐩𝐫𝐞𝐦𝐢𝐮𝐦 Resources/Notes: https://t.me/udacityfreecourse
If you're looking to become an excellent Java Developer, here's a roadmap that includes various online resources:
1. Core Java
First comes the fundamentals of Java Programming, here you will understand OOP concepts, conditional statements, collection frameworks,and many more.
https://youtube.com/playlist?list=PLd3UqWTnYXOnjGmyjD3zbIkyLXP15-6w0&si=UYvQhVNlZQYCH1Il
2. JDBC
A Java API that allows you to access tabular data, especially data stored in a relational database.
https://youtube.com/playlist?list=PLsyeobzWxl7rU7Jz3zDRpqB-EODzBbHOI&si=Cc45vpeRXGIUKbfn
3. SQL
Get a good understanding of SQL, which is necessary to work with JDBC to write queries.
https://youtu.be/7S_tz1z_5bA
4. JSP + Servlet
Learn JSP and Servlet, which are used for writing web pages for web applications and handling client requests on the server-side.
https://youtube.com/playlist?list=PLE0F6C1917A427E96&si=TQeOIgluG3R29622
5. Spring Framework
5.1. Core Spring Framework
https://youtu.be/GB8k2-Egfv0?si=dHYp6rFkGVl9RMt8
5.2. Spring REST & Spring DATA
https://youtu.be/GwYUjzPrQTM?si=hJfmpukii2WnofxQ
5.3. Spring Security
Spring Security is the primary choice for implementing application-level security
https://youtu.be/sm-8qfMWEV8?si=uMkpBxOUXIptZif9
6. Hibernate Framework
Hibernate is a Java framework that simplifies the development of Java application to interact with the database. It is an open source, lightweight, ORM (Object Relational Mapping) tool.
https://youtu.be/Yv2xctJxE-w?si=q4FIOBxxX-Y0Qj5q
7. Spring Boot
Spring Boot is the ultimate framework and Makes Java Web Development less boilerplate, it can help you make production-ready applications in no time.
https://youtu.be/msXL2oDexqw?si=XB19MCCECAggcB18
8. Basic DevOps
8.1. Learn to Use AWS & Deploy Java Apps
https://youtube.com/playlist?list=PLVz2XdJiJQxxurKT1Dqz6rmiMuZNdClqv&si=bJyg0Np11PkGDIKO
8.2. Learn Basic Docker:
https://youtu.be/p28piYY_wv8?si=Xoqje7MJad1NeE9g
8.3. Learn Basic Kubernetes:
https://youtu.be/rTNR7vDQDD8?si=dgzwxQof7yGHUP4n
8.4. Deploy Spring Boot App on Kubernetes:
https://youtu.be/EZolJ4lNiYc?si=Kw09qKwMp_LxHTvw
9. Basic of git and GitHub
https://youtu.be/apGV9Kg7ics?si=MHtCgD8o7XqpU4W3
10. Java Microservices
https://youtu.be/tuJqH3AV0e8?si=1jjrWl4l4uYGrE5i
14. Java Quick revision for Interviews
https://youtu.be/oYXivKMSEqM?si=tngbZrvgbAwsShEb
15. Spring JMS(java messaging services)
JMS is a standard Java API that allows a Java application to send messages to another application.
https://youtube.com/playlist?list=PLmCsXDGbJHdibOx6axScPiuHA8ftsrmut&si=J0qjBSbB4GDCeTOv
𝐉𝐨𝐢𝐧 𝐭𝐡𝐢𝐬 𝐭𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐠𝐫𝐨𝐮𝐩 𝐟𝐨𝐫 𝐩𝐫𝐞𝐦𝐢𝐮𝐦 Resources/Notes: https://t.me/udacityfreecourse
👍6
Java for Everything: ☕
Java + Spring = Enterprise Applications
Java + Hibernate = Object-Relational Mapping
Java + Android = Mobile App Development
Java + Swing = Desktop GUI Applications
Java + JavaFX = Modern GUI Applications
Java + JUnit = Unit Testing
Java + Maven = Project Management
Java + Jenkins = Continuous Integration
Java + Apache Kafka = Stream Processing
Java + Apache Hadoop = Big Data Processing
Java + Microservices = Scalable Services
Best Programming Resources: https://topmate.io/coding/886839
All the best 👍👍
Java + Spring = Enterprise Applications
Java + Hibernate = Object-Relational Mapping
Java + Android = Mobile App Development
Java + Swing = Desktop GUI Applications
Java + JavaFX = Modern GUI Applications
Java + JUnit = Unit Testing
Java + Maven = Project Management
Java + Jenkins = Continuous Integration
Java + Apache Kafka = Stream Processing
Java + Apache Hadoop = Big Data Processing
Java + Microservices = Scalable Services
Best Programming Resources: https://topmate.io/coding/886839
All the best 👍👍
👍3
🚀 Roadmap to Become a Java Developer 🔰
📂 Programming Basics
∟📂 Master Java Syntax, Variables & Data Types
∟📂 Learn Control Flow, Loops & Exception Handling
∟📂 Practice with Basic Programs
📂 Object-Oriented Programming (OOP)
∟📂 Understand Classes, Objects & Inheritance
∟📂 Dive into Encapsulation, Polymorphism & Abstraction
∟📂 Explore Design Patterns in Java
📂 Tools & Build Systems
∟📂 Get Comfortable with IDEs (e.g., IntelliJ, Eclipse)
∟📂 Master Maven & Gradle for Dependency Management
∟📂 Learn Git & Version Control Systems
📂 Data Structures & Algorithms
∟📂 Learn Java Collections (Lists, Sets, Maps, etc.)
∟📂 Understand Algorithms & Problem Solving
∟📂 Tackle Coding Challenges
📂 Web Development & APIs
∟📂 Learn Servlets & JSP Basics
∟📂 Dive into Spring Boot & RESTful Services
∟📂 Understand Microservices Architecture
📂 Database & Persistence
∟📂 Master JDBC & SQL Fundamentals
∟📂 Explore ORM Tools like Hibernate & JPA
∟📂 Practice with Real-World Data
📂 Testing & Debugging
∟📂 Get Started with JUnit & Test-Driven Development
∟📂 Learn Debugging Techniques & Best Practices
∟📂 Automate Testing with Tools
📂 Advanced Topics
∟📂 Learn Multithreading & Concurrency
∟📂 Understand JVM Internals & Garbage Collection
∟📂 Explore Performance Optimization
📂 Projects & Real-World Applications
∟📂 Build End-to-End Java Applications
∟📂 Contribute to Open-Source Projects
∟📂 Showcase on GitHub & Portfolio
📂 Interview Preparation & Job Hunting
∟📂 Solve Java Coding Challenges
∟📂 Master System Design & Architecture Concepts
∟📂 Network & Apply for Java Roles
✅️ Get Hired
React "❤️" for More 👨💻
📂 Programming Basics
∟📂 Master Java Syntax, Variables & Data Types
∟📂 Learn Control Flow, Loops & Exception Handling
∟📂 Practice with Basic Programs
📂 Object-Oriented Programming (OOP)
∟📂 Understand Classes, Objects & Inheritance
∟📂 Dive into Encapsulation, Polymorphism & Abstraction
∟📂 Explore Design Patterns in Java
📂 Tools & Build Systems
∟📂 Get Comfortable with IDEs (e.g., IntelliJ, Eclipse)
∟📂 Master Maven & Gradle for Dependency Management
∟📂 Learn Git & Version Control Systems
📂 Data Structures & Algorithms
∟📂 Learn Java Collections (Lists, Sets, Maps, etc.)
∟📂 Understand Algorithms & Problem Solving
∟📂 Tackle Coding Challenges
📂 Web Development & APIs
∟📂 Learn Servlets & JSP Basics
∟📂 Dive into Spring Boot & RESTful Services
∟📂 Understand Microservices Architecture
📂 Database & Persistence
∟📂 Master JDBC & SQL Fundamentals
∟📂 Explore ORM Tools like Hibernate & JPA
∟📂 Practice with Real-World Data
📂 Testing & Debugging
∟📂 Get Started with JUnit & Test-Driven Development
∟📂 Learn Debugging Techniques & Best Practices
∟📂 Automate Testing with Tools
📂 Advanced Topics
∟📂 Learn Multithreading & Concurrency
∟📂 Understand JVM Internals & Garbage Collection
∟📂 Explore Performance Optimization
📂 Projects & Real-World Applications
∟📂 Build End-to-End Java Applications
∟📂 Contribute to Open-Source Projects
∟📂 Showcase on GitHub & Portfolio
📂 Interview Preparation & Job Hunting
∟📂 Solve Java Coding Challenges
∟📂 Master System Design & Architecture Concepts
∟📂 Network & Apply for Java Roles
✅️ Get Hired
React "❤️" for More 👨💻
❤6👍2