Dahua Technology India Pvt.Ltd. Solution Engineer Interview Questions, Process, and Tips

Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Q1. Explain OOPs w.r.t Java
Ans. 
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
• OOPs stands for Object-Oriented Programming System

• Java is a class-based OOPs language

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

• Objects have state and behavior

• Java supports interfaces, which allow for multiple inheritance

• Example: A car can be represented as an object wit...read more
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Q2. Explain about the projects that you have worked on
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Q3. Explain how Java solves machine dependency of code execution
Ans. 
Java solves machine dependency by using bytecode and virtual machine.
• Java code is compiled into bytecode which is platform-independent

• The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

• JVM translates bytecode into machine code for the specific platform

• This allows Java code to run on any platform with a JVM installed

• Example: A Java program compiled on Windows can run on Linux or Mac as
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Q1. Why should we hire you?
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Q2. Tell me about yourself.
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The medium level questions are present

There was no gd

Q1. What is your family background?
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Q2. Why should we hire you?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q5. Hr round and the technical discussion was combined into one round
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Numerical ability and logical reasoning followed by some coding mcqs

Q1. Print 1 to 100 without for loop
Ans. 
Printing 1 to 100 without for loop
• Use recursion to print numbers from 1 to 99

• Print 100 outside the recursion

• Use a base case to stop recursion at 100
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Simple aptitude test

Q1. General questions as per your cv
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Q1. Why do you want to join infosys
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Q2. Product developement life cycle
Ans. 
Product development life cycle is the process of bringing a new product to market.
• It involves ideation, research, design, development, testing, launch, and post-launch evaluation.

• Each stage has its own set of goals, deliverables, and stakeholders.

• Examples include Apple's iPhone development cycle and the pharmaceutical drug development cycle.
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Attended the codevita competition in final year of college.

Q1. About College Project
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Q2. Some very basics of java
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Q3. Experience of college project as a team
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It was a basic aptitude test.

Q1. Interview was fine. Mostly asked about my final year project.
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