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I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 3 interview rounds.
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I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.
Functional interfaces provide clarity and enforce single abstract method constraint.
Functional interfaces provide clarity to developers by explicitly indicating that the interface is intended to be used as a functional interface.
Using @FunctionalInterface annotation helps enforce the single abstract method constraint, preventing accidental addition of more abstract methods.
It also allows the compiler to perform additio...
Comparable is an interface in Java used for comparing objects and sorting collections.
Comparable interface is used to define a natural ordering of objects.
To implement Comparable, a class must implement the compareTo() method.
Example: Implementing Comparable interface in a class to compare instances based on a specific attribute.
I was interviewed in Jul 2024.
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.
String is immutable, String Buffer is mutable.
String is immutable, meaning its value cannot be changed once it is created.
String Buffer is mutable, meaning its value can be changed after it is created.
String is faster and more memory efficient for simple string operations.
String Buffer is slower but more efficient for operations that require frequent modifications.
posted on 4 Jul 2024
I applied via campus placement at University of Petroleum and Energy Studies (UPES), Dehradun and was interviewed before Jul 2023. There were 2 interview rounds.
It was an aptitude test with 60 minutes time.
You have to solve 3 basic coding question
Dependency injection is a design pattern where the dependencies of a class are provided externally rather than being created within the class itself.
Dependency injection helps in achieving loose coupling between classes.
It allows for easier testing and maintenance of code.
There are three types of dependency injection: constructor injection, setter injection, and interface injection.
Example: In Spring Boot, dependencies
I applied via Job Portal and was interviewed in May 2024. There were 2 interview rounds.
A singleton class is a class that allows only one instance of itself to be created and provides a global point of access to that instance.
Singleton classes are often used in Spring Boot for managing resources such as database connections or thread pools.
In Spring Boot, singleton beans are created by default, meaning that only one instance of a bean is created and shared across the application.
To create a singleton bean...
I was interviewed in Aug 2023.
HTTP status 204 means no content, while 404 means not found.
HTTP status 204 indicates a successful request, but with no content to return.
HTTP status 404 indicates that the requested resource could not be found on the server.
HTTP status 204 is often used for successful DELETE requests where no content needs to be returned.
HTTP status 404 is commonly seen when a user tries to access a non-existent URL.
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