Java Developer

Can a constructor be inherited from a parent class to a child class?

Create a Student class and a list of students. Write a program in Java 8 to filter all students with rollNo > 50, concatenate their first and last names, and return the result.

You have been given an array ‘a’ of ‘n’ unique non-negative integers.

Find the second largest and second smallest element from the array.

Return the two elements (second largest and second smallest) as another array of size 2.

Example :

Input: ‘n’ = 5, ‘a’ = [1, 2, 3, 4, 5]
Output: [4, 2]

The second largest element after 5 is 4, and the second smallest element after 1 is 2.

Create a CRUD application. How would you start? What classes would you create, and which annotations would be needed?

Have you worked with AWS? How would you connect to S3? How would you deploy an app?

Using the Stream API, write a program to find the department's maximum salary.

How would you implement security? What is @EnableWebSecurity?

Are you familiar with design patterns? Explain.

How can you connect a microservice? (Learn)