Interview Questions

PHP: Hypertext Preprocessor is open source server-side scripting language that is widely used for web development. PHP scripts are executed on the server. PHP allows writing dynamically generated web pages efficiently and quickly. The syntax is mostly borrowed from C, Java and perl. PHP is free to download and use.

Inheritance is the ability to create new classes based on existing classes. It is useful to reuse existing code.

Say “Yes” if you have made up your mind to work for a call center. Call centers would usually work 24 X 7 which needs some executives to be always present in the center. This means that you would need to work in shifts. 

Change management is the biggest challenge in each and every industry. After requirements stage when development is started client will come-up with some new changes or enhancements. 

Cross departmental or cross team management – like conflict management between teams. Also individuals. This requires soft skills and smartness. 

Communication problems – In real time this can happen. You might be good in speaking and understanding the English language. BUT sometimes it happens like Different people across the globe speak different style of English. In USA itself Mexico people speak English differently. Romans speak different English. So at initial level to understand the accent can be a challenge but after some time you will become perfect. 

main() method is called by the JVM even before the instantiation of the class, hence it is declared as static.

In a correlated query, the outer query is related to the inner query. This means one or more columns in the outer query are referenced. It’s used when the outer queries value is being used by inner query. For example, we need to find which employee had more perks in the current month than they did in the previous month. The correlated subquery is executed for each row of perks information in the parent query to first determine what the perks were for each employee in the previous month. This data, in turn, is compared to perks for each employee in the current month, and only those employees whose perks in the current month were greater that their previous month's perks are returned.

The input type attribute TYPE defines the slider control.