Samcom Technobrains Interview Questions and Answers

Q1. Basic Angular interview question that are available across all websites.
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Q2. Few scenario based questions like what are different ways to pass data to a component?
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Q3. What are new features in latest angular version?
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Some new features in the latest Angular version include Ivy rendering engine, Bazel support, and differential loading.
• Ivy rendering engine for improved performance and smaller bundle sizes

• Bazel support for faster builds and better dependency management

• Differential loading for serving different bundles to modern and legacy browsers
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Q4. What is redux, and rxjs
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Redux is a predictable state container for JavaScript apps, and RxJS is a library for reactive programming using Observables.
• Redux is a state management tool commonly used with React to manage application state in a predictable way.

• RxJS is a library for reactive programming that allows you to work with asynchronous data streams using Observables.

• Redux helps in managing the state of the application in a single immutable...read more
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Q5. What are pipes?
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Pipes in Angular are used to transform data before displaying it in the view.
• Pipes are used to format data in templates.

• They can be used to filter, sort, or transform data.

• Examples include currency, date, and uppercase pipes.
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Task was to prepare a login screen and display some data in table structure along with search and filter functionality without using any library just pure logic. and also use some custom-directives to scroll to a particular item in a page.

Q1. Explain oops concept and explain brief
Ans. 
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.
• OOPs stands for Object-Oriented Programming

• Key concepts include classes, objects, inheritance, polymorphism, and encapsulation

• Classes are blueprints for objects, defining their properties and behaviors

• Objects are instances of classes, representing real-world entities

• Inh...read more
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Q1. What is activity lifecycle?
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Activity lifecycle refers to the series of states an activity goes through during its lifetime.
• An activity can be in one of four states: running, paused, stopped, or destroyed.

• The lifecycle methods are: onCreate(), onStart(), onResume(), onPause(), onStop(), and onDestroy().

• For example, when an activity is first created, it goes through onCreate(), onStart(), and onResume() methods.

• When the activity is no longer visibl...read more
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Q2. What is fragment lifecycle?
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Fragment lifecycle refers to the series of events that occur during the creation, use, and destruction of a fragment.
• The lifecycle includes events such as onAttach(), onCreate(), onCreateView(), onStart(), onResume(), onPause(), onStop(), onDestroyView(), and onDestroy().

• Each event corresponds to a specific stage in the fragment's lifecycle.

• Developers can override these methods to perform specific actions during each s...read more
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Local Database and API calling test