Suja Associates Software Developer Interview Questions and Answers

1 hour , dsa, hackerearth, medim to hard

Q1. Dsa question was asked in it
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Q2. Questions related to resume was asked
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Q1. Salary expectations
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Q1. Introduction self
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Q1. Internal working of Hash Map
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Hash Map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash Map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Hash Map typically has a load factor threshold to determine whe...read more
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Comprehensive questions

Java strings programs

Basic Apti questions, Logic Questions, Puzzle Questions

Q1. Sorting Techniques
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Q2. Number Pattern Printing Question
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Q3. Linked List Implementation
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Linked list is a data structure where each element points to the next element in the sequence.
• Nodes contain data and a reference to the next node

• Insertion and deletion can be done efficiently

• Traversal starts from the head node
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Q4. Diff btw 32 bit and 64 bit OS
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32-bit OS can only address up to 4GB of RAM, while 64-bit OS can address much more.
• 32-bit OS can only address up to 4GB of RAM, while 64-bit OS can address much more

• 64-bit OS allows for larger file sizes and better performance

• 64-bit OS is more secure due to enhanced security features

• 64-bit OS is required to run certain modern software and games
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Q5. Puzzle of 3 jar
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Q6. Reverse a String
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Reverse a given string
• Use a loop to iterate through the characters of the string

• Append each character to a new string in reverse order

• Return the reversed string
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Find out a string is palindrome or not

Q1. ACID properties
Ans. 
ACID properties are a set of properties that guarantee database transactions are processed reliably.
• ACID stands for Atomicity, Consistency, Isolation, Durability

• Atomicity ensures that all operations in a transaction are completed successfully or none at all

• Consistency ensures that the database remains in a consistent state before and after the transaction

• Isolation ensures that transactions are executed independently of...read more
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Q2. Event loop in node js
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Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.
• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue and executes callback functions when events are triggered
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Q3. Trigger and cursor
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Q4. Primary vs foreign vs unique key
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Primary key uniquely identifies a record, foreign key links to a primary key in another table, unique key ensures uniqueness of a column or set of columns.
• Primary key: uniquely identifies each record in a table (e.g. employee_id in an employees table)

• Foreign key: links to a primary key in another table to establish a relationship (e.g. department_id in an employees table linking to department_id in a departments table)

• ...read more
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Q5. Project related Questions and whats your job role in that project
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Q6. Variable hoisting in js
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Variable hoisting is a behavior in JavaScript where variable declarations are moved to the top of their scope during compilation.
• Variable declarations are hoisted to the top of their function or global scope.

• Only the declarations are hoisted, not the initializations.

• Hoisting allows you to use a variable before it is declared, but it is best practice to declare variables at the top of the scope.

• Example: console.log(myV
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Q7. Function closure in js
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Function closure in JavaScript allows a function to access variables from its outer scope even after the outer function has finished executing.
• Function closures occur when a function is defined within another function and the inner function has access to the outer function's variables.

• Closures are commonly used to create private variables and functions in JavaScript.

• Example: function outerFunction() { let outerVar = 'I...read more
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Q8. Shallow vs deep copy in js
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Shallow copy creates a new object but references the same nested objects, while deep copy creates a new object with copies of all nested objects.
• Shallow copy only copies the top-level object, not the nested objects.

• Deep copy creates new copies of all nested objects, ensuring they are independent.

• In JavaScript, shallow copy can be achieved using Object.assign or spread operator, while deep copy can be achieved using JSO
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Q1. Basic C program debugging (Find the output, and find the error) and Flowchart based questions (Finding output)
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Multiple questions on integer array manipulation, with one pattern programming

Advanced integer/character array manipulation (2D arrays)

Q1. All basic HR questions like Tell me about yourself, Previously worked projects, and then technical questions based on desired programming language, one coding question to solve and 2 aptitude questions wit...read more
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Q1. Same as previous technical HR round, but they conducted the same technical + HR round for like 5 times
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