Advanced Java

Advanced Java Interview Questions Part 2

If a servlet is not properly initialized, what exception may be thrown? During initialization or service of a request, the servlet instance can throw an UnavailableException or a ServletException.  Given the request path below, which are context path, servlet path and path info?/bookstore/education/index.html context path: /bookstoreservlet path: /educationpath info: /index.html  What is servlet mapping? The …

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Advanced Java Interview Questions Part 5

Explain the new Features of JDBC 2.0 Core API? The JDBC 2.0 API includes the complete JDBC API, which includes both core and Optional Package API, and provides inductrial-strength database computing capabilities. New Features in JDBC 2.0 Core API: Scrollable result sets- using new methods in the ResultSet interface allows programmatically move the to particular …

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Advanced Java Interview Questions Part 4

What is Servlet chaining?Servlet chaining is a technique in which two or more servlets can cooperate in servicing a single request.In servlet chaining, one servlet’s output is piped to the next servlet’s input. This process continues until the last servlet is reached. Its output is then sent back to the client.  what is connection pooling?Class …

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SQL Interview Questions and Answers with Examples Part 2

Frequently asked basic and advanced Database SQL Interview Questions and Answers with Examples, Queries for Freshers and Experienced Java, PHP, .Net Developers and DBA in Oracle, MySQL and SQL Server 2008. If the answers are same for Oracle, MySQL and SQL databases, only one query is specified. If the SQL Commands differ for Oracle, MySQL …

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Advanced Java Interview Questions Part 1

What is serialization and deserialization?Serialization is the process of writing the state of an object to a byte stream. Deserialization is the process of restoring these objects.  what are drivers available?JDBC-ODBC Bridge driver b) Native API Partly-Java driver c) JDBC-Net Pure Java driver d) Native-Protocol Pure Java driver  What is Servlet chaining?Servlet chaining is a …

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SQL Interview Questions and Answers with Examples Part 1

SQL is a language for accessing and manipulating database standardized by ANSI. To be successful with database-centric applications (which includes most of the applications Data Warehousing domain), one must be strong enough in SQL. In this article, we will learn more about SQL by breaking the subject in the form of several question-answer sessions commonly …

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Advanced SQL Interview Questions and Answers Part 1

Advanced SQL Interview Questions and Answers Here are some complex SQL interview problems that are for people who are looking for more advanced and challenging questions, along with the answers and complete explanations. Try to figure out the answer to the questions yourself before reading the answers. Suppose we have 2 tables called Orders and …

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