Software Design and Architecture Having a high-level understanding of the functionality, Java developers need to design and architect using the popular technological stack. For designing Java applications, understanding object-oriented programming concepts is very important. Let us start looking at OOP.
What does a senior Java developer do?
Senior Java developers work with the Java programming language to develop web applications and computer systems. This involves assigning tasks to other team members, designing and testing code, and communicating with clients to analyze their requirements.
What should a Java developer learn next?
The Selenium web driver in Java is one of the technologies a Java developer should know in 2021. Selenium provides tools for testing web applications using test frameworks. Selenium Web Driver provides an open-source API. It includes automation features for web applications.15 mar 2021
What are the important topics in Java for interview?
- OOPS concepts (Data Abstraction, Encapsulation, Inheritance, Polymorphism)
- Basic Java constructs like loops and data types.
- String handling.
- Collection framework.
- Multithreading.
- Exception handling.
- Generics.
- Synchronisation.
What are the interview questions for Java Developer?
- 1) What are the features of Java Programming Language? ...
- 2) What is the importance of the main() method in Java? ...
- 3) What is the difference between path and classpath variables? ...
- 4) Is Java Pass By or Pass By Reference? ...
- 5) What is the final Keyword in Java?
What are the key skills for Java Developer?
- JavaServer pages (JSP) and servlets.
- Web frameworks (e.g., Struts and Spring)
- Service-oriented architecture/web services (SOAP/REST)
- Web technologies like HTML, CSS, JavaScript, and JQuery.
- Markup languages like XML and JSON.
- Object-oriented programming (OOP) concepts and patterns.
What are the questions asked in Java interview for freshers?
- What are the key differences between C++ and Java? ...
- Explain the JVM architecture? ...
- What is the use of Classloader in Java? ...
- Which class is a superclass of all classes? ...
- What is the static keyword? ...
- What are finally and finalize in Java? ...
- What is Type casting in Java?