Wonksknow Technologies Interview Questions and Answers

Data types are classifications of data items that determine the kind of operations that can be performed on them.

• Data types define the type of data a variable can hold, such as integers, strings, floats, etc.

• Examples of data types in Python include int, str, float, list, tuple, dict, etc.

Full stack web development involves working on both the front-end and back-end of a web application.

• Involves working on both front-end (client-side) and back-end (server-side) development

• Requires knowledge of languages and frameworks like HTML, CSS, JavaScript, Python, Django, React, etc.

• Developers are responsible for designing, building, and maintaining the entire web application

• Examples: MEAN stack (MongoDB, Express....read more

Programming in real life involves using code to solve practical problems and automate tasks.

• Automating repetitive tasks like data entry or file management

• Developing software applications to streamline business processes

• Creating websites and mobile apps for communication and entertainment

• Analyzing data to make informed decisions

• Implementing algorithms for efficient problem-solving

Java is independent platform due to its ability to run on any hardware or operating system.

• Java programs are compiled into bytecode which can be run on any Java Virtual Machine (JVM)

• JVM acts as an abstraction layer between the Java program and the underlying hardware/OS

• Write once, run anywhere principle allows Java programs to be platform-independent

Java is an object-oriented programming language because it allows for the creation of objects, which can contain data and methods.

• Java supports the four pillars of object-oriented programming: encapsulation, inheritance, polymorphism, and abstraction.

• Objects in Java can be easily reused and extended through inheritance.

• Java classes and objects help in organizing code and making it easier to maintain and understand.

• Exam...read more

Full stack development involves working on both the front-end and back-end of web applications, covering all layers of development.

• Front-end development includes technologies like HTML, CSS, and JavaScript.

• Back-end development involves server-side languages like Python, Ruby, or Node.js.

• Full stack developers can work with databases such as MySQL, MongoDB, or PostgreSQL.

• They are familiar with version control systems lik...read more

Different programming languages cater to diverse needs, paradigms, and domains, enhancing efficiency and effectiveness in software development.

• Specialization: Some languages are designed for specific tasks, e.g., R for statistical analysis.

• Performance: Languages like C and C++ offer low-level memory management for high-performance applications.

• Ease of Use: Python is favored for its simplicity and readability, making it...read more