Junior Software Interview Questions

12,129 junior software interview questions shared by candidates

🔧 Core CS Subjects What is the difference between C and C++? What is OOP? Explain concepts like inheritance, polymorphism, abstraction, and encapsulation. What is a pointer? How is it different from a reference? What is a deadlock? How do you prevent it? What are ACID properties in DBMS? Difference between TCP and UDP. What is normalization? Types of normalization? What is the difference between stack and queue? Explain process vs thread. 💻 Programming Logic Write a program to reverse a string. Write a program to check if a number is prime. Write a program to find the factorial of a number using recursion. Write a program to find the largest element in an array.
avatar

Junior Software Developer

Interviewed at TCS

3.6
Oct 10, 2025

🔧 Core CS Subjects What is the difference between C and C++? What is OOP? Explain concepts like inheritance, polymorphism, abstraction, and encapsulation. What is a pointer? How is it different from a reference? What is a deadlock? How do you prevent it? What are ACID properties in DBMS? Difference between TCP and UDP. What is normalization? Types of normalization? What is the difference between stack and queue? Explain process vs thread. 💻 Programming Logic Write a program to reverse a string. Write a program to check if a number is prime. Write a program to find the factorial of a number using recursion. Write a program to find the largest element in an array.

In the technical interview questions asked were - 1) OOPS concepts 2) Difference between struct and class 3)Internal strucutre of hashmap 4) Time and Space complexities of merge, quick sort, 5)Find node of intersection between 2 linked lists 6)what is RTOS? 7) Class diagrams, UML diagrams 8) OSI Model 9) check if string is palindrome or not
avatar

Junior Software Engineer

Interviewed at Landis+Gyr

3.5
Mar 16, 2020

In the technical interview questions asked were - 1) OOPS concepts 2) Difference between struct and class 3)Internal strucutre of hashmap 4) Time and Space complexities of merge, quick sort, 5)Find node of intersection between 2 linked lists 6)what is RTOS? 7) Class diagrams, UML diagrams 8) OSI Model 9) check if string is palindrome or not

Viewing 3021 - 3030 interview questions

Glassdoor has 12,129 interview questions and reports from Junior software interviews. Prepare for your interview. Get hired. Love your job.