Rocket Software Java Developer Interview Questions and Answers

Q1. 1.access modifier 2.type casting 3.super and this keyword 4. Thread and process 5. Wrapper class 6.drop an delete 7.join 8. Trigger 9.project questions
Add your answer

Q1. What is Connection pooling
Ans. 
Connection pooling is a technique to manage database connections efficiently, reducing overhead and improving performance.
• Connection pooling maintains a pool of active database connections for reuse.

• It reduces the overhead of establishing a new connection for each database request.

• Example: A web application can reuse connections from the pool instead of opening new ones for each user request.

• Connection pools can be con...read more
Answered by AI
Add your answer
Q2. What is mounting in docker
Ans. 
Mounting in Docker allows you to share files between the host and containers, enabling data persistence and configuration management.
• Mounting can be done using volumes or bind mounts.

• Volumes are managed by Docker and are stored in a part of the host filesystem which is not directly accessible.

• Example of a volume: `docker run -v my_volume:/data my_image`.

• Bind mounts allow you to specify an exact path on the host, e.g., ...read more
Answered by AI
Add your answer
Q3. What is decorators
Add your answer
Q4. Shell script question
Add your answer

Q1. Self introduction
Add your answer
Q2. Communication Test
Add your answer

There was pattern question in any programming language and you have make the pattern dynamic.

Q1. 2 Technical rounds with HR round that's good
Add your answer
Q2. Basic tech questions first 2nd round go little bit inside of code linked list
Add your answer
Q3. Django total process
Add your answer

Q1. Salary discussion, previous companies discussion
Add your answer
Q2. Tell me about your company and roles responsibilities
Add your answer

Q1. 1.Tell me about your self 2.Where do you se yourself after 5 years 3.About projects and intership 4.one coding question in python
Add your answer

Q1. Binary search implementation
Ans. 
Binary search is a fast search algorithm that finds the position of a target value within a sorted array.
• Binary search works by repeatedly dividing the search interval in half.

• It compares the target value with the middle element of the array.

• If the target value is equal to the middle element, the position is found.

• If the target value is less than the middle element, the search continues on the lower half of the array.

• I...read more
Answered by AI
Add your answer
Q2. Quick sort code implementation
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays to get the final sorted array
Answered by AI
Add your answer

Q1. Angular lifecycle hooks, directives, modules
Add your answer
Q2. Angular forms module, application bootstrap process
Add your answer

Given JavaScript's complex logic on array and list