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Runtime polymorphism in Java allows a subclass to provide a specific implementation of a method that is already provided by its superclass.
Runtime polymorphism is achieved through method overriding, where a subclass provides its own implementation of a method that is already defined in its superclass.
The method to be overridden must have the same name, return type, and parameters in both the superclass and subclass.
At ...
Authentication and authorization in a Java Spring Boot app involves using Spring Security for managing user access.
Use Spring Security to handle authentication and authorization
Configure security settings in the application.properties file
Implement custom authentication providers if needed
Use annotations like @PreAuthorize and @Secured for method-level security
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I appeared for an interview before Feb 2024.
The authentication related questions and architecture wise too.
posted on 16 Aug 2024
I applied via Walk-in and was interviewed in Feb 2024. There were 2 interview rounds.
Smooth discussion on current abilities.
Understanding logical application of job.
I applied via Walk-in and was interviewed in Mar 2024. There were 3 interview rounds.
30 minute,reasoning,verbal,logical
20minute, python,c++
I applied via Job Portal and was interviewed before Jun 2023. There were 2 interview rounds.
Quite reasonable and moderate level
Moreover related to apec
I applied via Campus Placement and was interviewed before Sep 2021. There was 1 interview round.
I appeared for an interview before Jul 2016.
posted on 17 Jan 2021
I applied via National apprenticeship training scheme(NATS)) and was interviewed before Jan 2020. There was 1 interview round.
Mobile communication involves several processes including transmission, reception, modulation, and demodulation.
Mobile communication uses radio waves to transmit and receive signals.
The signals are modulated to carry information such as voice, data, and video.
The modulated signals are then transmitted through the air to a nearby base station.
The base station receives the signals and demodulates them to extract the info...
based on 1 interview
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