PierianDx India Software Engineer Interview Questions and Answers

Mostly questions on logical aptitude

Q1. DSA questions. Reverse word of string, bubble sort, swap two variables without use of third variable
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Q2. OOPs concepts also some questions on project
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Q3. 1 puzzle (refer gfg)
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Q1. Why do you want to work at our company?
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Q2. What was the toughest challenge you have ever faced?
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Simple angular application testing CRUD operations

Q1. Lifecycles in Angular
Ans. 
Angular lifecycles are methods that are called at specific points during the life of a component or directive.
• Angular components have lifecycle hooks that allow you to tap into key moments in the component's lifecycle, such as creation, updates, and destruction.

• Some of the commonly used lifecycle hooks include ngOnInit, ngOnChanges, ngDoCheck, ngOnDestroy, etc.

• These lifecycle hooks can be used to perform tasks like ini...read more
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Q2. Services in Angular
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Services in Angular are singleton objects that can be used to share data or functionality across different parts of an application.
• Services are used to encapsulate reusable functionality, such as data access or logging.

• Services are typically injected into components or other services using Angular's dependency injection system.

• Services can be used to communicate with backend APIs, manage state, or perform other tasks.

• E...read more
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Q3. Constructor vs ngOnInit
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Constructor is a method used to create and initialize an object, while ngOnInit is a lifecycle hook used in Angular to initialize components.
• Constructor is a default method of a class that is automatically called when an object is created.

• ngOnInit is a lifecycle hook in Angular that is called after the constructor and is used to initialize data in a component.

• Constructors are used in all classes, while ngOnInit is spec
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Q4. Pipes, directives (custom as well)
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Q5. Javascript console.log question
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Q6. Hoisting, let,var,const
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Q1. Salary expectation
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Q2. Remote working readiness
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Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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The aptitude round included a range of logical and analytical questions.

Q1. The Technical round included a mix of problem solving and technical questions , evaluating the grasp of core concepts.
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Q1. The HR round was a discussion focused on personal experience , career aspiration , and alignment with the company's value.
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