Advanced Java
Advanced Java
- JDBC (JAVA DATABASE CONNECTIVITY)
- SERVLETS
- JSP
- ADVANCED JAVA INTERVIEW QUESTIONS
Topics Covered
Advanced Java
JDBC (JAVA DATABASE CONNECTIVITY)
- Introduction to JDBC
- Types of Drivers
- Steps to connect with database
- Statement, PreparedStatement, CallableStatement
- ResultSet
- Batch Processing
- Transaction Management
- ResultSetMetaData
- DatabaseMetadata
SERVLETS
- Introduction to Servlets
- Web application architecture
- Ways to create Servlet
- implementing Servlet interface
- extending Generic Servlet
- extending HTTP Servlet
- Servlet life cycle
- Explanation of web.xml (deployment descriptor file)
- Steps to create first web application
- Servlet Config
- Servlet Context
- Request Dispatcher
- Send Redirect
- Session Tracking
- Filters
- Registration page using Servlets
- Servlet with database
JSP (JavaServer Pages)
- Introduction to jsp
- Limitations of Servlets
- Jsp life cycle
- Jsp scripting elements
- Jsp directive elements
- Jsp implicit objects
- Jsp action elements
- Jsp custom tags
- Jsp file uploading and downloading
- Development in jsp
- Jsp with database
ADVANCED JAVA INTERVIEW QUESTIONS​
JDBC
- What is JDBC?
- What is JDBC Driver?
- What are the steps to connect to the database in Java?
- What are the JDBC API components?
- What are the JDBC statements?
- What is the difference between Statement and PreparedStatement interface?
- How can we execute stored procedures and functions?
- What is the role of JDBC DriverManager class?
- What does the JDBC Connection interface do?
- What does the JDBC ResultSet interface do?
- What does the JDBC ResultSetMetaData interface do?
- What does the JDBC DatabaseMetaData interface do?
- Which interface is responsible for transaction management in JDBC?
- What is batch processing and how to perform batch processing in JDBC?
- How can we store and retrieve images from the database?
SERVLETS
- How many objects of a servlet are created?
- What is the life-cycle of a servlet?
- What are the life-cycle methods for a servlet?
- Who is responsible for creating the object of a servlet?
- When is a servlet object created?
- What is the difference between Get and Post methods?
- What is the difference between PrintWriter and ServletOutputStream?
- What is the difference between GenericServlet and HttpServlet?
- What is servlet collaboration?
- What is the purpose of the RequestDispatcher Interface?
- Can you call a JSP from the servlet?
- What is the difference between the forward() method and sendRedirect() method?
- What is the difference between ServletConfig and ServletContext?
- What is session tracking?
- What are cookies?
- What is the difference between cookies and HttpSession?
- What is a filter?
- How can we perform any action at the time of deploying the project?
- What is the disadvantage of cookies?
- How can we upload a file to the server using a servlet?
- What is load-on-startup in servlet?
- What happens if we pass a negative value in load-on-startup?
- What are the annotations used in Servlet 3?
- What is the use of welcome-file-list?
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