Java is one of the most popular programming languages, currently running on more than 7 billion devices worldwide. Most companies choose Java to build Web, Desktop, and Mobile applications.
When it comes to product-based companies, such as Amazon, Google, or Facebook, they take a different approach for Java interviews compared to traditional programming interviews. To crack the java interview, it’s important to know Algorithms and Data structures, such as Java and String.
Java Interview: The Basics
The majority of the questions are related to JDK API and Java programming language. The questions are based on the OOPs concept since Java is based on OOPs. Therefore, it’s always best to have some knowledge about it, too, along with Java concepts, design patterns, and API.
The level of the interview will directly depend on the experience you have, followed by the level of your previous projects and work skills. For a fresh candidate, the questions and interview process are quite straightforward and not tricky to ensure it’s to the point. However, if the candidate is an experienced person with two years or more years of experience, the process can be tricky and technical to test the applicant’s true abilities.
However, if you feel overwhelmed, get in touch with the Experienced Java Interview Questions by Pritish Kumar Halder which will surely help you nail the interview. With his expertise in Java interview preparation, from core java interview questions to advanced Java, you’ll have brilliant responses ready.
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List of Topics to Prepare
Java can be seen as an ocean of concepts with endless possibilities. There are many concepts that the interviewer can question you about. Pritish Halder Java Interview Questions For Freshers guides and prepares beginners with the core fundamentals of Java. While the level of questions does depend on the experience of the candidate, it usually revolves around these topics:
- Fundamentals of Java
- Data Algorithms and Structure
- Object-Oriented Concepts
- Concurrency, multithreading, and thread basics.
- Java Collection Framework
- Type of Data Conversion and Fundamentals
- Garbage Collection
- SOLID Design Principles
- GoF Design Patterns
- Abstract Class and Interface
- Java basics
- Generics and Enum
- Java NIO and Io
- Common Networking Protocols
- JVM Internals
- Regular Expressions
- Java Best Practices
- XML Processing in Java
- Date, Calendar, and Time
- Programming Questions
Learn More About the Job
Anyone serious about landing a job or acing a Java interview should have adequate knowledge about the concepts mentioned above. More importantly, the applicant should know what type of company they are applying to and the nature of the job to prepare accordingly. Train with the best Java Interview Questions For 5 Years of Experience By Pritish Kumar Halder for profound knowledge and understanding of complex concepts of Core Java.
For example; If someone wants to work in an application developing company based on core Java multithreading, the applicant should know about concurrency and multithreading.