EBA SOLUTIONS Full Stack Developer Interview Questions and Answers

Q1. Java program for duplicate elements in array
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Q1. String , arrays, oops
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Q1. Strecture of sql statement
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SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple ...read more
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Q1. Basic React JS
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Q2. Basic Frontend and backend
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Q1. What's the difference between id and class in html
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IDs are unique identifiers for a single element, while classes can be reused across multiple elements for styling.
• ID must be unique within a page; a class can be used on multiple elements.

• Example of ID: <div id='header'></div>

• Example of class: <div class='container'></div>

• IDs have higher specificity in CSS than classes.

• Use IDs for single elements and classes for groups of elements.
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Q2. Explain closure with an example
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A closure is a function that retains access to its lexical scope, even when executed outside that scope.
• A closure allows a function to access variables from an outer function's scope even after the outer function has executed.

• Example: function outer() { let x = 10; return function inner() { return x; }; } const innerFunc = outer(); innerFunc(); // returns 10

• Closures are often used for data encapsulation, allowing priva...read more
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Q1. What are some common questions related to Elastic Search?
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Q2. What are the key features and benefits of using Snowflake in data warehousing?
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Snowflake offers a cloud-based data warehousing solution with scalability, performance, and ease of use.
• Separation of storage and compute: Allows independent scaling of resources, optimizing costs and performance.

• Automatic scaling: Snowflake can automatically scale up or down based on workload demands, ensuring efficient resource usage.

• Concurrency handling: Supports multiple users and queries simultaneously without per...read more
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Q1. How do you handle conflicts in a development team?
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I address conflicts in development teams through open communication, collaboration, and focusing on shared goals.
• Encourage open dialogue: I facilitate discussions where team members can express their concerns and viewpoints without fear.

• Focus on common goals: I remind the team of our shared objectives to realign our efforts and reduce personal conflicts.

• Use mediation techniques: In cases of persistent conflict, I step ...read more
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Q2. How do you stay updated with the latest development trends?
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I stay updated with development trends through continuous learning, community engagement, and hands-on practice.
• Follow industry blogs and websites like Medium, Dev.to, and Smashing Magazine for the latest articles and tutorials.

• Participate in online courses and webinars on platforms like Coursera and Udemy to learn new technologies and frameworks.

• Engage with developer communities on GitHub and Stack Overflow to share k...read more
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Q1. What is JDBC
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JDBC (Java Database Connectivity) is an API that enables Java applications to interact with databases using SQL.
• JDBC provides a standard interface for connecting to various databases.

• It allows executing SQL queries and retrieving results.

• JDBC supports different database drivers like JDBC-ODBC bridge, native-API, and thin drivers.

• Example: Using DriverManager to establish a connection: Connection conn = DriverManager.get...read more
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Q2. What is the difference between JDK and JRE
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