TCS iON Developer Interview Questions and Answers

Java is a high-level, object-oriented programming language used for developing desktop, web, and mobile applications.

• Java is platform-independent, meaning it can run on any operating system

• It is known for its security features, making it a popular choice for enterprise applications

• Java code is compiled into bytecode, which can be run on a Java Virtual Machine (JVM)

• Popular frameworks and tools for Java development inclu

Yes, Java is an object-oriented programming language.

• Java supports the four main principles of OOP: encapsulation, inheritance, abstraction, and polymorphism.

• Objects are created from classes in Java.

• Java has access modifiers such as public, private, and protected to control access to class members.

• Java also has interfaces, which allow for multiple inheritance.

• Example: class Car { private String make; public void setMak...read more

Props and cons are not specific terms in JavaScript. Did you mean pros and cons?

• Pros: flexibility, easy to learn, wide range of applications

• Cons: can be slow, can be difficult to debug, can have security vulnerabilities

Nodejs is a runtime environment for executing JavaScript code outside of a web browser.

• Nodejs is built on top of the V8 JavaScript engine

• JavaScript is a programming language used for both front-end and back-end development

• Nodejs allows for server-side scripting and can be used to build scalable network applications

• JavaScript is primarily used for client-side scripting in web browsers