KEC Towers Interview Questions and Answers

Java is a high-level programming language used for developing applications that can run on any platform.

• Java is platform-independent, meaning code can run on any device with a Java Virtual Machine (JVM)

• It is object-oriented, allowing for modular and reusable code

• Java is used for developing web applications, mobile apps, enterprise software, and more

Prop drilling is the process of passing data from a parent component to multiple levels of nested child components in React.

• Prop drilling involves passing props through multiple levels of components, even if some intermediate components do not need the data.

• It can lead to code that is harder to maintain and understand, as components become tightly coupled to the data they receive.

• One way to avoid prop drilling is by using context or state management libraries like Redux to ma...read more

CSS opacity is a property that controls the transparency of an element.

• Opacity values range from 0 (completely transparent) to 1 (completely opaque)

• Can be applied to any HTML element using CSS

• Useful for creating overlay effects or fading animations

Matplotlib is a plotting library for creating static, animated, and interactive visualizations in Python.

• Used for creating various types of plots such as line, bar, scatter, histogram, etc.

• Provides a MATLAB-like interface for easy plotting.

• Supports customization of plots with labels, titles, legends, colors, etc.

Hibernate is an open-source Java framework that simplifies the development of Java applications to interact with databases.

• Hibernate is an Object-Relational Mapping (ORM) tool that maps Java objects to database tables.

• It provides a way to query data using an object-oriented approach rather than writing SQL queries.

• Hibernate handles the mapping of Java classes to database tables and vice versa, as well as data query and retrieval.

• It supports various database management systems...read more