Gateway for Preparing Interviews
What do you mean by extension and intension? Extension: The Extension is the number of tuples present in a table at any instance. It changes as the tuples are created, updated and destroyed. The actual data in the database change quite frequently. So, the data in the database at a particular moment in time is known … Read more
How would you introduce Scrum to senior executives? This is a deliberately open question meant to encourage discussion. In answering this question, your candidate should elaborate on how they would spread an agile mindset throughout an organization or, ideally, and more specifically, how they would create a learning organization that embraces experimentation in order to … Read more
What is MIME? MIME stands for Multipurpose Internet Mail Extension. It is an add-on or a supplementary protocol which allows non-ASCII data to be sent through SMTP. It facilitates the exchange of data files on the internet and was proposed by Bell Communications in 1991. Which adapter should be used to get the data from … Read more
What is Google Analytics? Google analytics is a freemium web analytics service of Google that provides you the detailed statistics of the website traffic. It was introduced in November 2005 to track and report the website traffic. It offers you free tools to understand and analyze your customers and business in one place. It mainly … Read more
Why does JComponent have add() and remove() methods but Component does not because JComponent is a subclass of Container, and can contain other components and jcomponents. How can I implement a thread-safe JSP page? – You can make your JSPs thread-safe by having them implement the SingleThreadModel interface. This is done by adding the directive … Read more
What is the difference between NOW() and CURRENT_DATE()? NOW() command is used to show current year, month, date with hours, minutes, and seconds while CURRENT_DATE() shows the current year with month and date only. What are the different column comparison operators in MySQL? The =, , <=, =, >, <>, , AND, OR or LIKE … Read more
How can you avoid overfitting ? By using a lot of data overfitting can be avoided, overfitting happens relatively as you have a small dataset, and you try to learn from it. But if you have a small database and you are forced to come with a model based on that. In such situation, you … Read more
Why is locking of a method or block of code for thread safety is called “synchronized” and not “lock” or “locked When a method or block of code is locked with the reserved “synchronized” key word in Java, the memory (i.e. heap) where the shared data is kept is synchronized. This means,When a synchronized block … Read more
How are commas used in the intialization and iteration parts of a for statement Commas are used to separate multiple statements within the initialization and iteration parts of a forstatement. When are the non static variables loaded into the memory They are loaded just before the constructor is called What modifiers can be used with a … Read more
What are your long-term goals? Knowing what the company wants will help you emphasize your ability to solve their problems. Do not discuss your personal goals outside of work, such as having a family or traveling around the world, in response to this question. This information is not relevant.” Instead, stick to something work-related like … Read more