CostaCloud Application Developer Interview Questions and Answers

Q1. What is bussniess rule ?
Ans. 
A business rule is a specific guideline or constraint that dictates how a business operates or makes decisions.
• Business rules are typically defined by stakeholders or subject matter experts.

• They help ensure consistency, compliance, and efficiency in business processes.

• Examples include age restrictions for purchasing alcohol, pricing strategies, and approval processes for expenses.
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Q2. What is update set?
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An update set is a group of changes that can be moved from one instance to another in ServiceNow.
• Update sets are used to transport customizations, such as new fields, tables, or scripts, between instances.

• They help in organizing changes and tracking what customizations are being moved.

• Update sets can be previewed, committed, and rolled back if needed.

• Example: Creating a new field in a development instance and moving it
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Q1. Boxing Unboxing
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Q2. Abstract class and interface
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Q1. COBOL, DB2 - Restart logic, Cursor life cycle
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Q1. About primary keys (how columns can be accommodated in a single primary key)
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Q2. Types of Constructors
Ans. 
Constructors are special methods used to initialize objects in a class.
• Constructors have the same name as the class.

• Types of constructors include default, parameterized, copy, and static constructors.

• Example: public class Person { public Person() { } }
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Q1. All concept need to clear
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Q2. Explain max to max answer to them
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Q1. General Hr questions like self intro preivious experience,
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Genral and english aptitude test

Q1. Operations round with managers questions based on apps
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Q2. How does apps work in our daily life
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Apps have become an integral part of our daily lives, helping us with various tasks and activities.
• Apps help us stay organized by managing our schedules and to-do lists.

• They provide entertainment through games, music, and video streaming services.

• Apps facilitate communication through social media platforms and messaging apps.

• They assist in navigation with GPS and mapping apps.

• Apps enable online shopping and banking, ma...read more
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Q3. Category in apps we use in our day to day life
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Categories in apps include social media, productivity, entertainment, health & fitness, education, finance, and communication.
• Social media apps (e.g. Facebook, Instagram, Twitter)

• Productivity apps (e.g. Microsoft Office, Trello, Evernote)

• Entertainment apps (e.g. Netflix, Spotify, YouTube)

• Health & fitness apps (e.g. Fitbit, MyFitnessPal, Headspace)

• Education apps (e.g. Duolingo, Khan Academy, Quizlet)

• Finance apps (e.g. M...read more
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Q4. What are sub categories in apps and how do they work?
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Sub categories in apps are smaller categories within a main category that help organize and navigate content more efficiently.
• Sub categories help users easily find specific content within an app

• They can be used to group similar features or functions together

• Examples include sub categories like 'Settings', 'Notifications', 'Profile' within a main category like 'Account'
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