Tcil Software Trainee Interview Questions and Answers

Q1. Difference between hashmap and hashset
Ans. 
HashMap is a key-value pair collection while HashSet is a collection of unique elements.
• HashMap stores key-value pairs while HashSet stores unique elements

• HashMap allows duplicate values but keys must be unique, HashSet does not allow duplicates

• HashMap uses keys to retrieve values, HashSet does not have keys
Answered by AI
Add your answer
Q2. Tell me about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment

• Passionate about learning new technologies
Answered by AI
Add your answer
Q3. Write a program to find a duplicate in two list (Take two list and wirte a program to print the same elementsin both list in note pad)
Ans. 
Program to find duplicates in two lists and print them in notepad
• Iterate through each element in the first list and check if it exists in the second list

• If a duplicate is found, print it to a notepad file

• Use a hash set to store elements from the first list for efficient lookup
Answered by AI
View 1 more answer

Q1. What is lookup annotation in springboot
Ans. 
Lookup annotation in Spring Boot is used to indicate that a method should be cached for faster retrieval.
• Lookup annotation is used in conjunction with @Cacheable annotation to cache the result of a method.

• It is commonly used in Spring Boot applications to improve performance by caching frequently accessed data.

• Example: @Lookup @Cacheable("books") public List findAllBooks() { return bookRepository.findAll(); }
Answered by AI
Add your answer
Q2. What is memory management in java
Ans. 
Memory management in Java refers to the process of allocating and deallocating memory for objects in the Java Virtual Machine (JVM).
• Java uses automatic memory management through garbage collection to handle memory allocation and deallocation.

• Memory in Java is divided into two main areas: stack memory and heap memory.

• Stack memory is used for storing primitive data types and references to objects, while heap memory is us...read more
Answered by AI
Add your answer
Q3. What is thread pool and what are its functions
Ans. 
A thread pool is a collection of worker threads that efficiently execute asynchronous tasks.
• Thread pool helps in managing and reusing a pool of threads to execute tasks concurrently.

• It improves performance by reducing the overhead of creating new threads for each task.

• Thread pool can limit the number of concurrent threads to prevent resource exhaustion.

• Examples include Java's Executor framework and .NET's ThreadPool cl
Answered by AI
Add your answer
Q4. Write a program to implement a stack using array
Ans. 
Implement a stack using array in a program
• Create an array to store the stack elements

• Implement push and pop functions to add and remove elements from the stack

• Keep track of the top of the stack using a variable
Answered by AI
Add your answer

Q1. Tell me about your self
Ans. 
I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
• Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

• Strong background in computer science with knowledge of algorithms and data structures

• Proficient in programming languages such as Java, Python, and C++

• Excellent problem-solving skills and abili
Answered by AI
Add your answer
Q2. Some general questions
Add your answer

1st round some apt qns,some prgramming qns are they asked

Q1. C depth concepts and some prgram
Add your answer

Q1. Some DSA questions they asked
Add your answer

Q1. Reverse a linked list.
Add your answer
Q2. Merge sort on a array/
Add your answer

Easy-medium level and it included two coding questions and some technical questions

Q1. How are structures and classes stored?
Ans. 
Structures and classes are stored in memory as a combination of data members and member functions.
• Structures and classes are stored in memory as a combination of data members and member functions.

• Data members of a structure or class are stored in contiguous memory locations.

• Member functions of a class are stored separately in memory and are shared among all instances of the class.

• Pointers to member functions are used t...read more
Answered by AI
Add your answer
Q2. What is final and finalize?
Ans. 
final is a keyword in Java used to restrict inheritance, overriding, and modification. finalize is a method used for cleanup operations before an object is garbage collected.
• final keyword is used to declare constants, prevent inheritance by marking a class as final, and prevent method overriding by marking a method as final

• finalize method is called by the garbage collector before an object is destroyed

• Example: final in...read more
Answered by AI
Add your answer

Q1. Introduction call and experience matching
Add your answer

Q1. Docker and web development questions
Add your answer

Q1. Reverse a string
Ans. 
Reverse a given string
• Create an empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string
Answered by AI
Add your answer
Q2. Database mysql join
Add your answer

The coding test was for 90 mins, and comprised of questions from topics such as DP and hashtables. It was taken on hackerrank platform

Q1. One question related to hashing (particularly about hashcode and equals method)
Add your answer
Q2. A variation of number of connected islands from graph
Add your answer

Q1. Thread synchronisation, print alternate numbers using 5 different threads
Add your answer
Q2. C++ Related questions were asked, in which I was asked about how can I find the size of Object, difference between malloc and calloc. What are semaphores and how are they used
Add your answer

It was a good experience in aptitude

Q1. They are asking simple questions like oops , spring bean,how to avoid duplication values in array and in order
Add your answer

Q1. General discussion
Add your answer