Software Developer Apprentice

Software Developer Apprentice Interview Questions and Answers

Updated 2 Jul 2025

Asked in HyScaler

6d ago

Q. What is hoisting in JavaScript, and why is the keyword "debugger" used in JavaScript?

Ans.

Hoisting in JavaScript refers to variable and function declarations being moved to the top of their containing scope during compilation.

Variable Hoisting: Variables declared with 'var' are hoisted, meaning they can be referenced before their declaration. Example: console.log(x); var x = 5; // undefined
Function Hoisting: Function declarations are fully hoisted, allowing them to be called before their definition. Example: greet(); function greet() { console.log('Hello'); } // O...read more

Asked in Fujitsu

6d ago

Q. What is array What is String Sample coding swap number palindrome number

Ans.

An array is a data structure that stores a collection of elements of the same type. A string is a sequence of characters. Swapping numbers involves exchanging the values of two variables. A palindrome number reads the same forwards and backwards.

An array can store multiple values of the same data type, accessed by index.
A string is a sequence of characters enclosed in quotes, like 'hello'.
Swapping numbers involves using a temporary variable to exchange their values.
A palindro...read more

Software Developer Apprentice Interview Questions and Answers for Freshers

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Asked in HyScaler

6d ago

Q. What is a join in the context of databases?

Ans.

A join combines rows from two or more tables based on a related column, enabling complex queries and data retrieval.

Types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN.
INNER JOIN returns rows with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.a_id;
LEFT JOIN returns all rows from the left table and matched rows from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.a_id;
RIGHT JOIN returns all rows from the righ...read more

Asked in HyScaler

2d ago

Q. What is Django, and what are its features?

Ans.

Django is a high-level Python web framework that encourages rapid development and clean, pragmatic design.

MVC Architecture: Django follows the Model-View-Controller architecture, promoting separation of concerns.
Built-in Admin Interface: Automatically generated admin panel for managing application data.
ORM (Object-Relational Mapping): Simplifies database interactions by allowing developers to use Python code instead of SQL.
Security Features: Includes protection against common...read more

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Asked in HyScaler

1d ago

Q. Create a table and establish a primary key and foreign key relationship.

Ans.

Creating a table with primary and foreign key relationships is essential for database integrity.

A primary key uniquely identifies each record in a table. Example: 'user_id' in a 'Users' table.
A foreign key is a field that links to the primary key of another table. Example: 'user_id' in an 'Orders' table referencing 'Users'.
Establishing these relationships helps maintain data integrity and enforces referential integrity.
Example tables: 'Users' (user_id as PK) and 'Orders' (ord...read more

Asked in Fujitsu

6d ago

Q. Choose a coding language.

Ans.

I choose Python as my coding language.

Python is a high-level, interpreted programming language known for its simplicity and readability.
It supports multiple programming paradigms like procedural, object-oriented, and functional programming.
Python has a large standard library and a thriving community, making it easy to find resources and support.
Examples: print('Hello, World!'), for i in range(5): print(i)