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Create a reactive form in Angular to save data in API with validation
Create a reactive form using FormBuilder in Angular
Add form controls with proper validation rules using Validators
Handle form submission and send data to API using HttpClient
Implement error handling for API requests
Display success or error messages to the user
Auth-guard is a feature in Angular that controls access to routes based on user authentication status.
Auth-guards are used to protect routes in Angular applications by checking if a user is authenticated before allowing access.
They can be implemented using canActivate interface in Angular.
Auth-guards can redirect unauthenticated users to a login page or display an error message.
They are commonly used in applications wi...
There are multiple ways to communicate in Angular components, including Input, Output, ViewChild, and Services.
Input - parent component can pass data to child component using @Input decorator
Output - child component can emit events to parent component using @Output decorator
ViewChild - parent component can access child component using @ViewChild decorator
Services - components can communicate through shared services
Use JavaScript to find the longest word in a string.
Split the string into an array of words using split() method.
Iterate through the array and compare the length of each word to find the longest one.
Return the longest word found.
I started my career as a web developer, specializing in frontend technologies like Angular. I have worked on various projects and gained valuable experience.
Started career as web developer
Specialized in frontend technologies like Angular
Worked on various projects
Gained valuable experience
I have expertise in developing Angular frontend applications with strong knowledge of TypeScript, HTML, CSS, and Angular frameworks.
Strong knowledge of TypeScript, HTML, and CSS
Experience in developing Angular frontend applications
Familiarity with Angular frameworks like AngularJS, Angular 2+, Angular Material
Understanding of reactive programming and observables in Angular
Knowledge of state management with tools like N
I applied via Recruitment Consultant and was interviewed before May 2020. There were 3 interview rounds.
Design a solution with Java Spring boot, Spring Data, DB Integration
Create a Spring Boot project with Spring Data dependency
Configure the database connection in application.properties
Create entity classes with JPA annotations
Create repository interfaces extending JpaRepository
Use repository methods in service classes
Expose REST endpoints using @RestController
Handle exceptions using @ControllerAdvice
Secure endpoints usi...
I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
Abstraction is the process of hiding complex implementation details and exposing only the necessary information.
Abstraction helps in reducing complexity and increasing efficiency.
It allows us to focus on the essential features of an object or system.
Abstraction can be achieved through abstract classes, interfaces, and encapsulation.
For example, a car can be abstracted as a vehicle with certain properties and methods.
Ab...
Hiding implementation means keeping the internal details of a class or function hidden from the outside world.
It is a fundamental principle of object-oriented programming.
It helps in achieving encapsulation and abstraction.
It prevents the user from accessing the internal workings of a class or function.
Examples include private variables and methods in a class.
It allows for easier maintenance and modification of code.
It...
I appeared for an interview before Sep 2016.
I appeared for an interview in Mar 2017.
Oops concepts in Java
Encapsulation - hiding implementation details
Inheritance - reusing code and creating parent-child relationships
Polymorphism - multiple forms of a method or object
Abstraction - creating abstract classes and interfaces
Example: Encapsulation - using private variables and public methods
Example: Inheritance - creating a subclass that inherits from a superclass
Example: Polymorphism - using method overloa...
Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.
Use ALTER TABLE statement to modify columns
Add new columns using ADD COLUMN
Delete columns using DROP COLUMN
Modify columns using MODIFY COLUMN
Changing column data type may result in data loss
Reversing a number in Java
Convert the number to a string
Use StringBuilder to reverse the string
Convert the reversed string back to a number
To extract words from a line in Java, split the line using whitespace as delimiter.
Use the split() method of String class
Pass the whitespace regex as argument to split() method
Iterate over the resulting array to get individual words
posted on 23 Sep 2017
I appeared for an interview in Sep 2017.
Generic collections provide type safety and reusability in software development.
Generic collections allow us to store and manipulate objects of any type in a type-safe manner.
They provide compile-time type checking, reducing the chances of runtime errors.
They promote code reusability by allowing the same collection to be used with different types.
Generic collections improve performance by eliminating the need for boxin...
I appeared for an interview before Jun 2016.
I am a passionate software developer with 5 years of experience in web development and a strong background in computer science.
5 years of experience in web development
Strong background in computer science
Passionate about software development
To separate personal and professional calls, and to ensure availability and accessibility.
Separate personal and professional calls
Ensure availability and accessibility
Maintain work-life balance
Avoid mixing personal and work-related contacts
I appeared for an interview in Jul 2017.
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