MindGate Solutions Senior Java Developer Interview Questions and Answers for Experienced

Arrays, basics. easy, some important topics in python and sql

Q1. SQL basics question learned in online or self
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Q2. Joins, groupby, clause, projection, having
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Q1. Pattern question
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Q2. Good project knowledge
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Like pattern question

2 basic project for creating and make project

Q1. How to flow your code
Ans. 
Flowing code involves organizing and structuring code in a logical and readable manner.
• Break down the code into smaller functions or modules

• Use meaningful variable and function names

• Follow a consistent coding style and indentation

• Comment code to explain complex logic

• Use version control to track changes and collaborate with others
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Q2. What is the unique functionality in your project.
Ans. 
Our project includes a unique functionality that allows users to customize their own user interface themes.
• Users can choose from a variety of color schemes and layouts to personalize their experience.

• The customization options are saved for each user, so they can easily switch between themes.

• This feature enhances user satisfaction and engagement with the software.
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Q1. Discuss about salary, work culture, politics also
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C , data structure,java,dbms,computer network etc

Very basic aptitude questions along with few coding questions

Q1. A problem statement was given and we had to provide an optimal approach to design and handle that problem
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Q2. Oops concepts, SQL queries
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BASIC DSA LIKE ARRAY AND STRING

Q1. System Design for Electric Charger app ?
Ans. 
System design for an electric charger app involves creating a user-friendly interface, integrating with payment systems, and ensuring efficient charging station management.
• Design a user-friendly interface for users to locate and reserve charging stations

• Integrate with payment systems for seamless transactions

• Implement efficient charging station management to monitor availability and maintenance

• Consider scalability for ...read more
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Q2. Design digram for that ?
Ans. 
Design diagram for a software developer role.
• Use UML diagrams to show class relationships and interactions

• Include components like classes, interfaces, relationships, and methods

• Consider using tools like Lucidchart or draw.io for creating the diagram
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The basic question is related to profit percentage, time and distance

Q1. Is the database schema of any type?
Ans. 
Yes, the database schema can be of various types such as relational, hierarchical, network, object-oriented, etc.
• Relational database schema is the most common type, using tables to store data with relationships between them.

• Hierarchical database schema organizes data in a tree-like structure.

• Network database schema allows multiple relationships between records.

• Object-oriented database schema stores data as objects with...read more
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