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Persistent Systems
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ArrayList is implemented using resizable array while LinkedList is implemented using doubly linked list.
ArrayList provides fast random access but slow insertion and deletion at middle. LinkedList provides fast insertion and deletion but slow random access.
ArrayList uses less memory overhead compared to LinkedList.
Example: ArrayList is suitable for scenarios where frequent access and less frequent insertion/deletion is ...
Print the tringle pattern and write the only logic
What people are saying about Persistent Systems
Regular aptitude questions from R.S. Aggarwal.
Some basic Programs and logics
I applied via Campus Placement and was interviewed in Apr 2024. There was 1 interview round.
Induction motor is started by providing a rotating magnetic field in the stator winding.
Start by connecting the stator winding to a three-phase AC power supply.
The rotating magnetic field is produced in the stator winding, which induces current in the rotor bars.
The induced current in the rotor bars creates a magnetic field, causing the rotor to start rotating.
Common methods of starting induction motors include direct-...
posted on 3 Oct 2023
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
1st Round is Aptitude test.
Aptitude questions are very easy.
Reverse string and swap two integers in an array of strings.
Iterate through each string in the array and reverse it using built-in functions or a loop.
Swap two integers in the array by storing one in a temporary variable and then swapping their values.
Ensure to handle edge cases like empty strings or non-integer elements in the array.
I applied via Campus Placement
It was full on language testing
You have to repeat the words when you listen you have to record it and upload it
The OSI reference model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
The OSI model stands for Open Systems Interconnection model
It helps in understanding how different networking protocols work together
Each layer has specific functions and communicates with adjacent layers
Examples of layers include physical layer, data link layer, network layer,
Top/IP refers to the top-level Intellectual Property in a design, typically owned by a company or individual.
Top/IP includes key components or features that differentiate a product or design from others.
It is often protected by patents, trademarks, or copyrights to prevent unauthorized use.
Companies may license or sell their top/IP to generate revenue or collaborate with others.
Examples of top/IP include unique algorit...
Palindrom test with binary search algo
Trapping rain water test with leetcode
posted on 23 Oct 2023
Geomentry,trigomentry
To check the radius of a circle, measure the distance from the center to any point on the circumference.
Use a ruler or measuring tape to measure the distance from the center of the circle to any point on the circumference.
The measured distance is the radius of the circle.
For example, if the measured distance is 5 cm, then the radius of the circle is 5 cm.
posted on 11 Mar 2024
Main tie main is a term used in civil engineering to refer to the primary structural element that holds a structure together.
Main tie main is typically a large beam or column that bears the majority of the load in a structure.
It is crucial for the stability and strength of the building.
Examples include central columns in high-rise buildings or main beams in bridges.
I applied via Company Website and was interviewed in Apr 2022. There were 3 interview rounds.
It's some little bit difficult and there is no coding round
I applied via Campus Placement and was interviewed before Apr 2023. There were 4 interview rounds.
Aptitude and DSA questions majorly from GFG
3 coding questions moderate to hard difficulty
based on 1 interview
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