10+ Nirman Enterprise Interview Questions and Answers

RestController is a specialized version of Controller in Spring framework used for RESTful web services.

• RestController is used for creating RESTful web services, while Controller is used for handling traditional web requests.

• RestController is annotated with @RestController, while Controller is annotated with @Controller.

• RestController returns data directly in the response body, while Controller returns a view.

• RestController is typically used for APIs, while Controller is used...read more

CSRF is a type of attack where a malicious website tricks a user into performing actions on another website. Session is a way to store user data on the server side.

• CSRF (Cross-Site Request Forgery) is a type of attack where a malicious website tricks a user into performing actions on another website without their knowledge or consent.

• CSRF attacks exploit the trust that a site has in a user's browser by sending unauthorized requests using the user's session.

• Sessions are a way ...read more

Serialisation is the process of converting an object into a stream of bytes to store or transmit it.

• Serialisation is used to save the state of an object and recreate it when needed.

• It allows objects to be converted into a format that can be easily stored or transmitted.

• Java provides built-in support for serialisation through the Serializable interface.

Use arrays to find all most occurring characters in a given string in Java.

• Create an array to store the frequency of each character in the string.

• Iterate through the string and update the frequency array.

• Find the maximum frequency and then iterate through the frequency array to find all characters with that frequency.