Programming.Com Interview Questions and Answers

PLM stands for Product Lifecycle Management, which is a software system used to manage the entire lifecycle of a product.

• PLM helps in managing product data, design, development, manufacturing, and maintenance.

• It enables collaboration between different teams and departments involved in the product lifecycle.

• PLM can also help in reducing time-to-market, improving product quality, and increasing efficiency.

• Examples of PLM software include Siemens Teamcenter, Dassault Systèmes EN...read more

PLM stands for Product Lifecycle Management, which is a process of managing a product from its conception to its retirement.

• PLM involves managing product data, processes, and people throughout the product's lifecycle.

• It helps in streamlining product development, reducing time-to-market, and improving product quality.

• PLM software is used to manage product data, collaborate with teams, and automate workflows.

• Examples of PLM software include Siemens Teamcenter, PTC Windchill, an...read more

CAD stands for Computer-Aided Design. It is the use of computer software to create, modify, analyze, or optimize designs.

• CAD is used in various industries such as architecture, engineering, and manufacturing.

• It allows designers to create 2D or 3D models of their designs and make changes easily.

• CAD software can also simulate real-world conditions and test the performance of designs.

• Examples of CAD software include AutoCAD, SolidWorks, and CATIA.

OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

• Encapsulation: bundling data and methods that operate on the data into a single unit. Example: a car object with properties like color and methods like start() and stop().

• Inheritance: allows a class to inherit properties and behavior from another class. Example: a class Animal can inherit properties like legs and methods like ...read more

A real life scenario example of OOPs is modeling a car as an object with properties and methods.

• Create a Car class with attributes like make, model, year, color

• Define methods like start(), accelerate(), brake()

• Instantiate multiple car objects and perform actions on them

Collections in Java are classes and interfaces that provide a way to store and manipulate groups of objects.

• Collections provide a way to work with groups of objects in Java

• They include classes like ArrayList, LinkedList, HashMap, etc.

• Collections framework provides interfaces like List, Set, Map, etc.

• Collections offer methods for adding, removing, and accessing elements in a group