SBS Software Engineer Trainee Interview Questions and Answers

Q1. Basic english knowledge.
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Q2. How many charectors in a letter in Java.
Ans. 
A letter in Java is represented as a single character data type, which can hold one character.
• In Java, a letter is represented using the char data type.

• The char data type is a 16-bit unsigned integer that represents Unicode characters.

• For example, 'A' is a letter in Java represented as the char value 'A'.
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Q3. Max salary ,min salary in SQL
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Q4. Add even numbers in array
Ans. 
Iterate through array, check if number is even, and add to sum
• Iterate through each element in the array

• Check if the element is a number and if it is even

• If the number is even, add it to a running sum
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Q5. Basic oops questions
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In a two table the maximum salary.who gave it?

This also a coding round mostly in SQL

Normal Arithmetic question and reasoning and some english question

There are two problem 1 is easy and 2 is easy to medium level
The both problems are based on string array

Q1. When you clear the coding round then after it if you are shortlisted then you technical interview sheduled They ask DSA question and OOPS Or DBMS and also Operting system
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Q2. Sorting techniques DBMS query SQL join Normalisation What is process and threads Deadlock Array String Pointer Stack Recursion
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Q1. After clearing the technical round, there is a managerial round in this round they can ask tech and HR question.
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Q1. Tell me about yourself Where do you see yourself in 5 years Why happiest minds What do you know about this company
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Coding and SQL quries

Q1. Differenece between Stack and heap
Ans. 
Stack is used for static memory allocation and stores local variables, while heap is used for dynamic memory allocation and stores objects.
• Stack memory is allocated in a contiguous block and is faster to access.

• Heap memory is allocated in a non-contiguous manner and is slower to access.

• Stack memory is automatically managed by the system, while heap memory needs to be manually managed by the programmer.

• Example: int x = ...read more
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Q2. Oops with real world example
Ans. 
Oops is a programming paradigm that focuses on objects and classes. Real world example: Car
• Oops focuses on objects and classes

• Objects have attributes (variables) and behaviors (methods)

• Example: Car - attributes like color, model, speed; behaviors like drive, stop
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Q1. DSA CIRCULAR QUEUE
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Q2. POLYMORPHISM and its types
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Polymorphism is the ability of a single function or method to operate on different data types.
• Types of polymorphism: compile-time (method overloading) and runtime (method overriding)

• Compile-time polymorphism: multiple methods with the same name but different parameters

• Runtime polymorphism: a subclass provides a specific implementation of a method that is already provided by its parent class

• Example of compile-time polym...read more
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General aptitude online test

Q1. OOPS basic concepts with eg
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Q2. C#,Sql,MVC concepts
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Q1. Project experience
Ans. 
I have experience working on various projects including web development, mobile app development, and database management.
• Developed a web application using React.js and Node.js for a client in the e-commerce industry

• Created a mobile app using Swift for a healthcare startup to track patient data

• Managed a MySQL database for a financial services company to store and retrieve customer information
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Q2. Coding related questions asked
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Q1. Technical question
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Q2. Java oops and write a program for remove duplicates
Ans. 
Java program to remove duplicates from an array of strings using OOPs concepts.
• Create a HashSet to store unique strings.

• Iterate through the array and add each string to the HashSet.

• Convert the HashSet back to an array to get the unique strings.
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