Lucid Technologies Softwaretest Engineer Interview Questions and Answers

Q1. What is array?
Add your answer
Q2. What is HashMap?
Add your answer

Q1. In this round ask most of the question from string manipulation. It is a DSA round
Add your answer
Q2. Frequency of each character
Ans. 
The frequency of each character in a given string is calculated and displayed.
• Iterate through the string and count the occurrences of each character

• Store the counts in a data structure like a hashmap or array

• Return the frequency of each character
Answered by AI
Add your answer

Q1. In this ask about your salary expectation. DSA question DBMS Shellscript
Add your answer
Q2. DBMS join query
Add your answer

Logical Reasoning, Verbal communication

Simple aptitude questions and multiple choice coding questions were asked.

Q1. Explanation about project
Ans. 
I have worked on a project to develop a mobile application for tracking fitness activities and providing personalized workout plans.
• Developed user-friendly interface for inputting and tracking fitness data

• Implemented algorithms to generate personalized workout plans based on user's goals and progress

• Integrated with wearable devices to automatically sync activity data

• Conducted thorough testing to ensure accuracy and rel...read more
Answered by AI
Add your answer
Q2. SQL queries which were easy
Add your answer
Q3. Linked list and arrays
Add your answer

2 coding were there based on DSA

Q1. Easy DSA question.
Add your answer
Q2. Medium DSA question.
Add your answer

1 hour aptitude test

Reasoning verbal english paragraphs

Q1. Technical questions in about subject
Add your answer

Q1. In hr round they ask general questions and salary package
Add your answer

Q1. C code to detect loop in linkedlist.
Ans. 
Use Floyd's Cycle Detection Algorithm to detect loop in linked list.
• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps in each iteration.

• If there is a loop, the slow and fast pointers will meet at some point.

• To find the start of the loop, reset one pointer to the head and move both pointers at the same pace until they meet aga
Answered by AI
Add your answer
Q2. Storage class Specifiers in c language
Ans. 
Storage class specifiers in C language define the scope and lifetime of variables.
• Storage class specifiers include auto, register, static, and extern.

• Auto variables are stored in the stack and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared in one file and can be accessed in another file.
Answered by AI
Add your answer
Q3. Headerfile usage in c language
Ans. 
Header files in C language are used to declare functions, variables, and constants that are defined in other source files.
• Header files are included at the beginning of a C program using the #include directive.

• They help in organizing code by separating declarations from the actual implementation.

• Common header files in C include , , and .

• Header files can also be created by the user to declare c...read more
Answered by AI
Add your answer