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I applied via Referral and was interviewed in Dec 2023. There were 2 interview rounds.
Nice and difficult work from home
I applied via Website and was interviewed in Jan 2024. There was 1 interview round.
Singleton is a design pattern that restricts the instantiation of a class to a single object.
Use a private static member variable to hold the single instance of the class.
Make the constructor private to prevent direct instantiation of the class.
Provide a static method that returns the single instance of the class.
Ensure thread safety if the singleton needs to be accessed concurrently.
Queryparam is used to pass parameters in the URL query string, while pathparam is used to pass parameters in the URL path.
Queryparam is appended to the end of the URL after a '?' symbol, while pathparam is included in the URL path itself.
Queryparam is optional and can be used for filtering or sorting data, while pathparam is required for identifying a specific resource.
Example of queryparam: /api/users?name=John&age=30
I applied via Naukri.com and was interviewed in Apr 2023. There was 1 interview round.
A framework is a set of guidelines or rules that provide structure and support for developing software applications.
Frameworks help in organizing code and promoting best practices
They provide reusable components and modules to speed up development
Frameworks can be front-end (like React or Angular) or back-end (like Spring or Django)
Oops Concepts are fundamental principles of object-oriented programming that help in organizing and designing code.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and sh...
PTC interview questions for popular designations
I applied via Approached by Company and was interviewed in Jan 2023. There were 4 interview rounds.
They will meet again after the starting point at a distance of LCM(x, y).
The distance at which they will meet again is the least common multiple (LCM) of their speeds.
For example, if A is running at a speed of 4 m/s and B is running at a speed of 6 m/s, they will meet again after 12 meters.
Another example, if A is running at a speed of 3 km/hr and B is running at a speed of 5 km/hr, they will meet again after 15 km.
A program to generate Fibonacci series using iterative or recursive approach.
Iterative approach: Use a loop to generate Fibonacci numbers by adding the previous two numbers.
Recursive approach: Define a function that calls itself to generate Fibonacci numbers.
Example: Fibonacci series up to 10 - 0, 1, 1, 2, 3, 5, 8, 13, 21, 34
A program to determine if a given number is prime or not.
Check if the number is less than 2, if so it is not prime
Iterate from 2 to the square root of the number and check for divisibility
If the number is divisible by any number other than 1 and itself, it is not prime
If no divisors are found, the number is prime
Swapping two numbers using different techniques and discussing possible test cases and errors.
Using a temporary variable to swap the numbers
Using arithmetic operations to swap the numbers
Using bitwise XOR operation to swap the numbers
Test cases: positive numbers, negative numbers, zero, large numbers, floating point numbers
Possible errors: not using a temporary variable correctly, overflow/underflow with arithmetic ope
I have a strong understanding of PTC core values.
PTC core values include customer success, innovation, integrity, and teamwork.
I have demonstrated my understanding of these values through my work on projects that prioritize customer satisfaction and collaboration.
I have also shown my commitment to integrity by always following ethical guidelines in my work.
I stay updated on industry trends and technologies to contribut
Get interview-ready with Top PTC Interview Questions
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
The duration of the test is total 3 hour and there are total 50 questions camara and mic is always on please dont switch the window durinf the test
I applied via Referral and was interviewed in Aug 2023. There were 3 interview rounds.
I applied via Referral and was interviewed in Mar 2023. There were 3 interview rounds.
Question 1
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Input array - 2,9,3,6,5,4
Output array - 9,6,5,4
The result array returns the elements which are greater than all the right side elements
Input array -3,5,1,2,4
Output - 5,4
Question 2
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Check whether two strings are anagram or not?
Question 3
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Make an employee class and retrieve 100 random employees with unique IDs.
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