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I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
Singleton design pattern was used in the project.
Ensures a class has only one instance and provides a global point of access to it
Used when only one instance of a class is needed throughout the system
Example: Database connection manager, Logger classes
Memory management in Java involves automatic garbage collection to reclaim memory used by objects no longer in use.
Java uses automatic garbage collection to reclaim memory used by objects no longer in use
Garbage collection is performed by the JVM's garbage collector
Memory leaks can occur if objects are not properly dereferenced
Java provides the 'finalize()' method for objects to perform cleanup before being garbage col
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
HashMap internally uses an array of linked lists to store key-value pairs.
When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.
If multiple keys hash to the same index, a linked list is used to handle collisions.
To retrieve a value, the key is hashed a...
Questions about functional and non functional testing
IBS Software Services interview questions for popular designations
Aptitude questions were industry standard
No actual codes were given
We just had to find the outcomes to the codes we had to answer.
Oops concept in Python refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
Python supports object-oriented programming (OOP) concepts like classes, objects, inheritance, encapsulation, and polymorphism.
Inheritance allows a class to inherit attributes and methods from another class.
Encapsulation restricts access to certain components of an object, preventing di...
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I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.
I applied via Campus Placement
The test was simple. Logically reasoning and some speed and time related questions
To add two numbers using a microprocessor, perform arithmetic operations using the microprocessor's instruction set.
Load the two numbers into registers
Use the microprocessor's addition instruction to add the numbers
Store the result in a register or memory location
I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
Implementing Spring Security in a Spring Boot application involves configuring security settings and adding dependencies.
Add spring-boot-starter-security dependency in pom.xml
Create a class extending WebSecurityConfigurerAdapter to configure security settings
Use @EnableWebSecurity annotation to enable Spring Security
Define authentication and authorization rules in configure(HttpSecurity http) method
Non technical and technical aptitude
Different types of SQL joins with examples
Inner Join: Returns rows when there is a match in both tables
Left Join: Returns all rows from the left table and the matched rows from the right table
Right Join: Returns all rows from the right table and the matched rows from the left table
Full Outer Join: Returns rows when there is a match in either table
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The duration of IBS Software Services interview process can vary, but typically it takes about less than 2 weeks to complete.
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