Soliton Technologies Software Trainee Interview Questions and Answers

Q1. Get your basic coding skills right
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Q2. Snippets for all concepts
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Round duration - 40 minutes
Round difficulty - Medium

Data structures were asked like linked list and stacks. Hashmaps were also there. some basic questions of DBMS were asked and the interviewer asked if i know networking for which i said no. After that there was a 5 minute simple straightforward round with H.R

Q1. 
Middle of a Linked List
You are given the head node of a singly linked list. Your task is to return a pointer pointing to the middle of the linked list.
If there is an odd number of elements, return the ...read more
Ans. 
Return the middle node of a singly linked list, considering odd and even number of elements.
• Traverse the linked list with two pointers, one moving twice as fast as the other

• When the fast pointer reaches the end, the slow pointer will be at the middle

• Return the node pointed by the slow pointer
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Q1. Questions related to wireless communication concepts
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Q2. C and c++ coding concepts
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Q1. Why are you looking for change
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Q2. Are you ready to relocate
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Aptitude questions like 1.relational questions 2.table ques 3.age ratio

2 codes are there 1 is easy 2nd medium level and in other section mcq quetions on technologies like java,js

Q1. Asked basic quesions on java and ask to explain coding question of coding round
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Q1. Questions on array and string
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Q1. Basic question like introduction and and communication only
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Test conducted by company and it was easy

Q1. What is compilation procrss
Ans. 
Compilation process is the process of converting source code into machine code by a compiler.
• Source code is written in a high-level programming language

• Compiler translates the source code into machine code

• Compilation involves multiple steps like lexical analysis, syntax analysis, optimization, and code generation
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Q2. Explain pointers
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Pointers are variables that store memory addresses of other variables or functions.
• Pointers are used to access and manipulate memory directly.

• They are often used in dynamic memory allocation.

• Pointers can be used to pass variables by reference.

• Example: int *ptr; ptr = # *ptr = 10; // num now equals 10
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Q1. What is oops concept example with each one
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Object-oriented programming concepts include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class). Example: class Car with properties like make, model, and methods like start(), stop().

• Inheritance: creating new classes based on existing classes, inheriting their attributes and methods. Example: class SUV inheriting from cl...read more
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Q2. What is data structures and types with examples of all types
Ans. 
Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Types of data structures include arrays, linked lists, stacks, queues, trees, graphs, and hash tables.

• Arrays are a collection of elements stored in contiguous memory locations, accessed using an index.

• Linked lists are a series of nodes where each node contains data and a reference to the next node.

• Stack...read more
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Q3. What is class and objects with example and code
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A class is a blueprint for creating objects in object-oriented programming. Objects are instances of classes.
• A class defines the properties and behaviors of objects. For example, a 'Car' class may have properties like 'color' and 'model', and behaviors like 'drive' and 'stop'.

• An object is an instance of a class. For example, 'myCar' can be an object of the 'Car' class with specific values for 'color' and 'model'.

• Code e...read more
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Q4. What is virutal function and staic functions
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Virtual functions are functions in a base class that are overridden in derived classes, while static functions belong to the class itself rather than instances.
• Virtual functions allow for dynamic binding and polymorphism in object-oriented programming.

• Static functions are associated with the class itself and can be called without creating an instance of the class.

• Example: virtual void display() = 0; // pure virtual fun...read more
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Q5. What is project u did in present company
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used AngularJS for front-end development

• Implemented RESTful APIs for communication between front-end and back-end

• Utilized MySQL database for storing project data
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Write a function over loading and friend class with example?