JAVA
Infosys Bengaluru East, Karnataka, India
Job Description
"Unlock the secrets of Java at Infosys and embark on a thrilling journey as a Java developer, where you'll craft innovative solutions, work with top-notch technologies, and make a lasting impact on the world of technology."
As a Java developer at Infosys, you'll be at the forefront of software development, working on complex projects that require a deep understanding of Java, Spring Boot, and Microservices. You'll be part of a dynamic team that's passionate about delivering high-quality solutions that meet the evolving needs of our clients.
A day in the life of an Infoscion is filled with excitement and challenge. You'll work closely with clients to understand their requirements, create and review designs, and ensure that our solutions meet their expectations. You'll be responsible for validating architecture, performing code reviews, and unit test plan reviews to ensure that our code deliverables are of the highest quality.
Why you should learn this:
The demand for Java developers is skyrocketing, with a projected growth rate of 13% by 2025. With the rise of cloud computing, mobile apps, and the Internet of Things (IoT), the need for skilled Java developers has never been greater.
Expected Salary: $80,000 - $150,000 per year, depending on location and experience. Senior Java developers and technical leads can earn upwards of $200,000 per year.
How it works:
- Step 1: Learn the fundamentals of Java, including object-oriented programming, data types, operators, control structures, functions, and object-oriented programming principles.
- Step 2: Dive deeper into Java frameworks and libraries, including Spring Boot, Hibernate, and Java Servlets. Learn how to use these tools to build scalable, efficient, and maintainable applications.
Core Concepts to Master
Multithreading
Java's multithreading capabilities allow you to write efficient, concurrent code that takes advantage of multiple CPU cores. Learn how to create and manage threads, synchronize access to shared resources, and avoid common pitfalls like deadlocks and livelocks.
Design Patterns
Design patterns are reusable solutions to common problems in software design. Learn about creational patterns (e.g., Singleton, Factory), structural patterns (e.g., Adapter, Bridge), and behavioral patterns (e.g., Observer, Strategy).
Java 8 Features
Java 8 introduced several groundbreaking features, including lambda expressions, method references, and functional interfaces. Learn how to use these features to write concise, expressive code that's easier to read and maintain.
Interview Questions (Beginner)
- What is object-oriented programming, and how does it relate to Java?
- How do you declare and use variables in Java?
- What is the difference between a class and an object in Java?
Job Overview
Advance Questions
- • Can you explain the concept of dependency injection in Spring Boot?
- • How do you handle concurrency issues in a multithreaded application?
- • What is the difference between a singleton and a factory pattern in Java?