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Apollo Tyres Interview Questions and Answers
Q1. What is java and why we use
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
Q2. What is prop drilling
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
Q3. What is css opacity?
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
Q4. What is matplotlib
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.
Q5. What is hiberante
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
Q6. Jvm and Jre difference
JVM is the virtual machine that runs Java bytecode, while JRE is the environment in which Java programs run.
JVM stands for Java Virtual Machine and is responsible for executing Java bytecode.
JRE stands for Java Runtime Environment and includes JVM, libraries, and other components necessary for running Java programs.
JVM is platform-dependent, while JRE is platform-independent.
Example: When you run a Java program, the JRE provides the necessary runtime environment, including th...read more
Q7. what is dbms and rdbms? difference b/w them
Q8. What is difference b/w sql and mysql
Q9. What is list and tuple
List and tuple are both data structures in Python used to store multiple items, but list is mutable while tuple is immutable.
List is defined using square brackets [] while tuple is defined using parentheses ().
Elements in a list can be changed, added, or removed, while elements in a tuple cannot be changed once defined.
Lists are typically used for collections of similar items that may need to be modified, while tuples are used for fixed collections of items.
Example of list: m...read more
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