Automatic Data Processing (ADP) Java Developer Interview Questions and Answers

Q1. Collections framework, Explain why you chose a particular collection instead of other with example scenario based
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Q2. Explain your project
Ans. 
Developed a web application for online shopping with features like user authentication, product search, and order management.
• Implemented user authentication using Spring Security

• Utilized Hibernate for database operations

• Designed front-end using AngularJS for dynamic user interface
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Q1. Goals for the future
Ans. 
To become a senior Java developer and contribute to innovative projects in a collaborative team environment.
• Continue learning new technologies and best practices in Java development

• Work on challenging projects to enhance problem-solving skills

• Collaborate with team members to share knowledge and improve code quality
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Q2. How do you think you can impact our company
Ans. 
I believe my strong Java skills and problem-solving abilities can positively impact the company by improving efficiency and developing innovative solutions.
• I have experience in developing efficient and scalable Java applications, which can help streamline processes within the company.

• I am skilled in identifying and solving complex technical issues, which can contribute to the overall success of projects.

• I am proactive ...read more
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Q1. Try, catch, finally...
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Q2. HTTP families (400,200,500)
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Questions on permuation and combination

Q1. Java core and advanced concepts
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Q2. Springboot annotations, spring mvc, spring security
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Q1. Friendly questions
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Java Coding Questions based on ArrayList, HashMap, etc.

Count distinct elements in given String.

Q1. Current Project architecture.
Ans. 
Our current project architecture follows a microservices design pattern with separate services for different functionalities.
• Microservices architecture with separate services for different functionalities

• Use of RESTful APIs for communication between services

• Containerization using Docker for easy deployment and scalability

• Implementation of service discovery and load balancing with tools like Kubernetes

• Use of message bro
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Q2. My role in project
Ans. 
My role in the project was to develop and maintain Java applications to meet the project requirements.
• Developing Java applications based on project requirements

• Maintaining and updating existing Java code

• Collaborating with team members to ensure project success
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Q1. When will you start a company
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Q2. How Many location in company
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Q3. Who is the CEO of Zoho
Ans. 
Sir.Sridhar Vembu is the founder and CEO
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Q4. What is the high salary of Zoho
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Q5. Is Zoho a foreign company?
Ans. 
Yes, Zoho is a foreign company based in India.
• Zoho is headquartered in Chennai, India.

• It was founded by Sridhar Vembu in 1996.

• Zoho has offices in multiple countries including the United States, China, Japan, and Singapore.
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Ages, trains, profit losss, hcf lcm, clock, simple interest 30 min

Array string sorting algorithm

Very difficult aptitude questions

Resources coding round

Q1. Very difficult questions
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Q2. Coding program is very difficult
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It was 45 Mins Test And with 10 Sections . 1 Section was Java Programming Test and 1 Another Section was SQL Script Coding Test . Rest All Sections are MCQ Questions