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I applied via Approached by Company and was interviewed in Oct 2022. There were 2 interview rounds.
Method for deleting a node from a Linked List
Find the node to be deleted
Update the previous node's next pointer to skip the deleted node
Free the memory occupied by the deleted node
No, it is not possible in Java due to circular inheritance.
Circular inheritance is not allowed in Java.
It creates an infinite loop and leads to compile-time errors.
To avoid this, inheritance hierarchy should be designed carefully.
Example: Class A extends B, B extends C, and C extends D.
This creates a linear inheritance hierarchy and is allowed in Java.
Creating a custom immutable class in Java
Make the class final
Make all fields private and final
Do not provide any setter methods
Provide a constructor to initialize all fields
Override equals() and hashCode() methods
Prevent modification of mutable objects passed in constructor
Code to check if two strings are anagrams of each other.
Create two character arrays from the strings
Sort the arrays
Compare the sorted arrays
Time complexity of linked list operations is O(n) for traversal, insertion and deletion.
Traversal, insertion and deletion in linked lists take linear time.
Insertion and deletion at the beginning of the list is faster than at the end.
Doubly linked lists have slightly higher time complexity due to maintaining two pointers.
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Everything was fine. The Hr was nice and the manager also.
I have 5 years of experience working as a Test Engineer in the software industry.
Developed and executed test cases to ensure software quality
Performed regression testing to identify bugs and issues
Collaborated with developers to resolve defects and improve product performance
I have 5 years of experience working as a Test Engineer in the software industry.
Developed and executed test cases to ensure software quality
Performed regression testing to identify bugs and issues
Collaborated with developers to resolve issues and improve product quality
Activity lifecycle refers to the series of states an activity goes through during its lifetime in an Android app.
onCreate() - activity is created
onStart() - activity becomes visible to the user
onResume() - activity is interacting with the user
onPause() - activity is partially visible but still running
onStop() - activity is no longer visible to the user
onDestroy() - activity is being destroyed
MVVM is an architectural pattern used in software development, particularly in Android apps, to separate the user interface from the business logic.
MVVM stands for Model-View-ViewModel
Model represents the data and business logic
View is the UI component that displays the data and interacts with the user
ViewModel acts as a mediator between the Model and the View, handling user interactions and updating the Model
MVVM help...
I applied via Campus Placement
Basic string questions
duration 2hr
HARMAN interview questions for popular designations
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Program to find greatest element in a window of size 3
Iterate through the list and maintain a window of size 3
Find the maximum element in each window and store it in a separate list
Return the list of maximum elements
Creating a dataframe from multiple lists using PySpark code.
Import necessary libraries like pyspark.sql.
Create lists of data.
Create a SparkSession.
Convert lists to RDDs and then to a DataFrame.
Display the DataFrame.
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I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
Convert integer into structure in C programming.
Define a structure with the required fields.
Create a variable of the structure type.
Assign the integer value to the appropriate field of the structure.
I was interviewed before Mar 2024.
LOT rules are a set of regulations governing the use of the London Overground Train services.
LOT rules include guidelines for ticketing, passenger behavior, and safety regulations.
Passengers must have a valid ticket to travel on the London Overground Train services.
LOT rules also cover restrictions on luggage size and alcohol consumption on trains.
Failure to comply with LOT rules may result in fines or penalties.
Implemented a new performance management system resulting in a 20% increase in employee productivity.
Developed and implemented a new performance management system
Collaborated with department heads to gather feedback and make improvements
Provided training and support to managers and employees on the new system
Analyzed data to track the impact of the new system on employee productivity
I was interviewed before Mar 2024.
The coding test consisted of two questions, focusing on simple DP concept and hashing, along with multiple-choice questions.
Basics of C/C++, OOPs, Signal Processing, Leetcode Easy - 3 questions
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