Ness Digital Engineering Lead Engineer Interview Questions and Answers

Plugins execution pipeline is the sequence of steps followed when a plugin is executed in a software system.

• Plugins are first loaded into the system.

• The system then determines the order in which the plugins will be executed.

• Each plugin is executed according to its defined functionality.

• Output from one plugin may serve as input to another plugin.

• Finally, the system processes the results of all plugins and completes the

Business rules are guidelines or constraints defined by a business, while JavaScript is a programming language used for web development.

• Business rules are specific to a business domain and define constraints or guidelines for operations.

• JavaScript is a programming language used for creating interactive web pages and web applications.

• Business rules are typically defined by business analysts or stakeholders, while JavaSc...read more

Java 8 introduced new features like lambda expressions, functional interfaces, and streams. Functional interfaces have a single abstract method. Runnable is a functional interface for running a task in a separate thread, while Callable is a functional interface that can return a result and throw checked exceptions.

• Java 8 introduced lambda expressions for writing concise code.

• Functional interfaces have a single abstract...read more

Mutable objects in Python can be created using various methods such as assignment, copy, or using built-in functions like dict() or list().

• Assignment operator can be used to create mutable objects, for example: x = [1, 2, 3]

• Copying an existing mutable object using the copy() method or slicing can create a new mutable object

• Using built-in functions like dict() or list() to create mutable objects

Javascript is a versatile programming language commonly used for web development.

• Javascript is a high-level, interpreted programming language.

• It is used for adding interactivity to websites, creating web applications, and building server-side applications.

• Javascript can manipulate the DOM, handle events, and make asynchronous requests using AJAX.

• It supports object-oriented, functional, and imperative programming styles...read more

Questions on volatile, gdb usage, and singleton pattern.

• Volatile is a keyword in C that tells the compiler not to optimize the variable.

• GDB is a debugger tool used to analyze and debug code during runtime.

• Singleton is a design pattern that restricts the instantiation of a class to one object.

• To use GDB, compile the code with the -g flag, run the executable with gdb, set breakpoints, and use commands like 'next' and 'pr...read more

A map can be created using geographic data and software tools to visualize locations and their relationships.

• Gather geographic data such as coordinates, boundaries, and landmarks

• Use mapping software like Google Maps, ArcGIS, or Mapbox to input and visualize the data

• Customize the map with labels, colors, and markers to enhance readability

• Consider the audience and purpose of the map to determine the level of detail and i