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What is the difference between them? Which of them is used in building websites and which of them is used in designing application for mobile phones and other systems?
Core Java refers to the basic programming language and platform that forms the foundation for all Java applications. J2EE (Java 2 Platform, Enterprise Edition) is a set of specifications and technologies used for developing enterprise applications. Advance Java is an extension of Core Java and includes more advanced concepts such as servlets, JSP, and JDBC.
The main purpose of using Java in web development is its platform independence. Java code can run on any operating system with a Java Virtual Machine, making it a versatile choice for developing web applications.
A Java Developer is responsible for designing, developing, and testing Java-based applications. They work closely with other team members to ensure the smooth functioning of the application and troubleshoot any issues that may arise.
Some popular Java frameworks used in web development include Spring, Hibernate, Struts, and JSF. These frameworks provide a structured approach to developing web applications and offer various features such as dependency injection, database access, and web services integration.
Yes, Java is still a highly relevant and widely used programming language in the modern technology landscape. It is constantly evolving and has a strong community support, making it a reliable language for developing robust and scalable applications.