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TRON Softech Software Developer Interview Questions, Process, and Tips
TRON Softech Software Developer Interview Experiences
1 interview found
Anonymous
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Patterns using loops
(5 Questions)
- Q1. Explain oops concept by giving an example
- Ans.
OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
Encapsulation: bundling data and methods that operate on the data into a single unit (object)
Inheritance: allows a class to inherit properties and behavior from another class
Polymorphism: ability to present the same interface for different data types
- Q2. What is difference between method and function
- Ans.
A method is a function that is associated with a class or object, while a function is a standalone block of code.
Method is defined within a class or object, while function is standalone
Method is called using dot notation on an object, while function is called by its name
Methods can access and modify the data of the object they belong to, while functions cannot
- Q3. Explain main method
- Ans.
Main method is the entry point of a Java program where execution begins.
Main method must be public, static, and void.
It must accept an array of strings as parameter.
It is where the program starts execution.
- Q4. Explain access modifier
- Ans.
Access modifiers control the visibility and accessibility of classes, methods, and variables in a program.
Access modifiers include public, private, protected, and default (package-private).
Public - accessible from any other class.
Private - accessible only within the same class.
Protected - accessible within the same package and subclasses.
Default - accessible only within the same package.
Example: public class MyClass {
- Q5. Explain inheritance
- Ans.
Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
Allows a class to inherit properties and behavior from another class
Promotes code reusability and reduces redundancy
Creates a parent-child relationship between classes
Derived class can access all public and protected members of the base class
Example: Class Car can inherit from class Vehicle, inheriti...
Interview Preparation Tips
- Core Java
- JDBC
- OOPS
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
It was a hangout video call. The interviewer asked me these questions. Tell me about yourself and 1 coding question.
- Q1.
Special Numbers Problem Statement
Your task is to find the total count of special numbers within a range from 1 to a given integer, 'MAXVAL'. A special number is defined as a number whose digits, when rot...
- Ans.
Count the total number of special numbers within a given range by rotating digits 180 degrees.
Create a function to check if a number is a special number by rotating its digits.
Iterate through the range from 1 to MAXVAL and count the special numbers.
Handle the digit rotation mapping for 0, 1, 6, 8, 9.
Return the count of special numbers for each test case.
Round duration - 60 Minutes
Round difficulty - Easy
This was an On-site (Behavioural Round) interview. He asked me these questions.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
This was another On-site ( DS & Algo) algorithm.
- Q1.
Covid Vaccination Distribution Problem
As the Government ramps up vaccination drives to combat the second wave of Covid-19, you are tasked with helping plan an effective vaccination schedule. Your goal is...
- Ans.
Given constraints, find max vaccines administered on a specific day during a vaccination drive.
Iterate through each test case and calculate the maximum number of vaccines distributed on the specified day.
Distribute vaccines evenly across days while maximizing the number on the specified day.
Ensure that the sum of vaccines administered does not exceed the maximum allowed.
Consider edge cases like when the number of days ...
(2 Questions)
Round duration - 60 Minutes
Round difficulty - Easy
Another On-site ( DS & Algo) interview.
- Q1.
Painter's Partition Problem Statement
Given an array/list representing boards, where each element denotes the length of a board, and a number ‘K’ of available painters, determine the minimum time required...
- Ans.
Determine the minimum time required to paint all boards with given constraints.
Use binary search to find the minimum and maximum possible time to paint all boards.
Iterate through the boards and assign them to painters based on the time constraints.
Calculate the total time taken to paint all boards with the assigned painters.
- Q2.
Chocolate Distribution Problem
You are given an array/list
CHOCOLATESof size 'N', where each element represents the number of chocolates in a packet. Your task is to distribute these chocolates among 'M'... - Ans.
Distribute chocolates among students to minimize the difference between the largest and smallest number of chocolates.
Sort the array of chocolates.
Use sliding window technique to find the minimum difference between the largest and smallest number of chocolates.
Return the minimum difference as the output.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
Another On-site ( DS & Algo) interview.
- Q1.
Problem Statement: Minimize the Maximum
You are given an array of integers and an integer
K. For each array element, you can adjust it by increasing or decreasing it by a value ofK. Your goal is to minim... - Ans.
Given an array of integers and an integer K, minimize the difference between the maximum and minimum elements after adjusting each element by +/- K.
Sort the array in non-decreasing order.
For each element, calculate the difference between the current element and the next element.
Adjust the element by adding or subtracting K to minimize the difference.
Return the minimum possible difference between the maximum and minimum
(1 Question)
Round duration - 60 minutes
Round difficulty - Easy
On-site ( DS & Algo) interview.
Google mainly focuses on logic and how you are coming with a solution. It notes down each and every small mistake. Interviewers are really very helpful. They expect clear code with an optimal approach.
- Q1.
Farthest Distance From Lands Problem Statement
Given a binary square matrix 'ARR' with 'N' rows and 'N' columns, where '0' represents water and '1' represents land.
Determine the water cell whose distanc...
- Ans.
Find the water cell farthest from land in a binary matrix using Manhattan distance.
Iterate through the matrix to find all land cells and water cells
Calculate the Manhattan distance of each water cell to the nearest land cell
Return the maximum distance found
Interview Preparation Tips
Tip 1 : Participate in coding contests.
Tip 2 : Practice as many questions as you can.
Tip 3 : Do some good projects.
Tip 1 : Have some projects on your resume.
Tip 2 : Do not put false things on your resume.
Skills evaluated in this interview
I appeared for an interview before Nov 2020.
Round duration - 60 Minutes
Round difficulty - Easy
(2 Questions)
Round duration - 90 minutes
Round difficulty - Easy
- Q1.
Alien Dictionary Problem Statement
You are provided with a sorted dictionary (by lexical order) in an alien language. Your task is to determine the character order of the alien language from this dictiona...
- Ans.
Given a sorted alien dictionary, determine the character order of the alien language.
Create a graph data structure to represent the relationships between characters based on the given dictionary.
Perform a topological sort on the graph to determine the character order of the alien language.
Return the character array obtained from the topological sort as the final output.
- Q2.
Shopping Spree Problem Statement
Preeti plans to shop for her father's birthday at a store with unlimited quantities of N different items. She has a budget that allows her to buy a maximum of K items. Hel...
- Ans.
Calculate the number of ways Preeti can purchase items within budget, considering distinct ways.
Use dynamic programming to calculate the number of ways to purchase items within budget
Consider different scenarios where Preeti buys different quantities of each item
Return the result modulo 10^9 + 7 to handle large answers
Round duration - 60 Minutes
Round difficulty - Easy
Basic DBMS problems.
Round duration - 30 Minutes
Round difficulty - Easy
He asked basic Database and oops questions and discussion about my projects.
(1 Question)
Round duration - 50 Minutes
Round difficulty - Easy
It was evening. Since it was a telephonic interview so all at the home. NOthing different. About my soft skills, resume, and some basic coding stuff. Why google? Where do you see yourself in 5 years?
- Q1.
Count Ways to Reach the N-th Stair Problem Statement
You are provided with a number of stairs, and initially, you are located at the 0th stair. You need to reach the Nth stair, and you can climb one or tw...
- Ans.
Count the number of distinct ways to climb to the Nth stair by climbing one or two steps at a time.
Use dynamic programming to solve the problem efficiently.
The number of ways to reach the Nth stair is the sum of the number of ways to reach the (N-1)th stair and the (N-2)th stair.
Handle base cases where N=0 and N=1 separately.
Apply modulo 10^9+7 to avoid overflow in the final result.
Interview Preparation Tips
Tip 1 : Over-communication is key
Tip 2 : Self-Advocacy and Initiative are twice as important when working virtually.
Tip 3 : Relaxed and Fresh
Tip 1 : Neat and clean. Use a professional font. Include only the most relevant information and put the most important information first. Use active language.
Tip 2 : Specific about the projects they required and your projects should be in bold.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Aug 2020. There were 5 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Aws vpc gateway questions, devops drawback
- Q2. Interfaces in oops
- Ans.
Interfaces define a contract for classes to implement certain methods and properties.
Interfaces allow for polymorphism and loose coupling.
Classes can implement multiple interfaces.
Interfaces cannot be instantiated on their own.
Interfaces can have default method implementations.
Interfaces can be used to enforce design patterns like the adapter pattern.
- Q3. Meta programing
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Basic OOPS questions like 4 pillars of OOPS and their real life applications. Abstract class. DBMS Inner join and Outer join.
I applied via Naukri.com and was interviewed before May 2021. There were 3 interview rounds.
(1 Question)
- Q1. Java Collection, OOPS, Seralization
(1 Question)
- Q1. Java OOPS, Collection, threading, SQL
(1 Question)
- Q1. Nothing specific, Salary Negotiations.
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Nov 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Tell me your strengths and weaknesses ?
- Q2. Why did you choose this field?
Interview Preparation Tips
I applied via Approached by Company and was interviewed before Jun 2021. There was 1 interview round.
(1 Question)
- Q1. Nornam Java , spring boot questions
Interview Preparation Tips
I appeared for an interview in Nov 2020.
(1 Question)
Round duration - 2 hours
Round difficulty - Medium
In the 1st round
Aptitude
Reasoning
English
Automata fix( code debug)
Timing in morning
Environment is good
Interviewer was very cool and interactive
- Q1.
Encode the Message Problem Statement
Given a text message, your task is to return the Run-length Encoding of the given message.
Run-length encoding is a fast and simple method of encoding strings, repres...
- Ans.
Implement a function to encode a text message using run-length encoding.
Iterate through the message and count consecutive characters
Append the character and its count to the encoded message
Handle edge cases like single characters or empty message
(1 Question)
Round duration - 30 minutes
Round difficulty - Medium
This is interview round
Ques from basic electronics
C language
- Q1.
Print Name and Age Problem Statement
Create a class named
Personwith a string variable'name'and an integer variable'age', such that these variables are not accessible outside the class. Implement a me... - Ans.
Create a class Person with private variables name and age, and methods to set and get their values.
Create a class Person with private variables 'name' and 'age'.
Implement a method setValue to set the variables' values.
Implement a method getValue to print the variables' values.
Ensure the name is a non-empty string and the age is a non-negative integer.
Encapsulate the data and provide a clear interface for setting and ge
Interview Preparation Tips
Tip 1 : Do aptitude from indiabix. Go through your basics. At least one language u know. Learn about your branch basics. Know concept of data structure and oops.
Tip 2 : prepare your final project well.
Tip 1 : the skills you know very well mention in resume
Tip 2 : mention project in resume
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. DBMS questions
Interview Preparation Tips
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