ICICI Bank Software Developer 1 Interview Questions and Answers

Trapping rain water and median of two sorted array

Q1. Oops and dbms questions?
Add your answer
Q2. Code question in Array and string?
Add your answer

Q1. Tell me about yourself
Add your answer

Q1. Basic Java and react question
Add your answer

Q1. Little technical and project oriented question
Add your answer

Basic hacker rank problem

Q1. Asked few questions on react and java
Add your answer

Q1. What is Overlaoding and overriding?
Ans. 
Overloading is having multiple methods in the same class with the same name but different parameters. Overriding is implementing a method in a subclass that is already defined in the superclass.
• Overloading allows multiple methods with the same name but different parameters in the same class.

• Overriding involves implementing a method in a subclass that is already defined in the superclass.

• Overloading is resolved at compi
Answered by AI
Add your answer
Q2. What are the Java features?
Ans. 
Java features include object-oriented programming, platform independence, automatic memory management, and multithreading.
• Object-oriented programming: Java supports classes and objects, allowing for modular and reusable code.

• Platform independence: Java programs can run on any platform with the Java Virtual Machine (JVM).

• Automatic memory management: Java uses garbage collection to automatically manage memory allocation ...read more
Answered by AI
Add your answer
Q3. What is abstrack class?
Ans. 
Abstract class is a class that cannot be instantiated and may contain abstract methods.
• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Used to define a common interface for subclasses
Answered by AI
Add your answer

Island Perimeter and Number of Provinces. Basic Leetcode question

Q1. Technical questions related to security
Add your answer

Simple algorithm question about sorting

Q1. Algorith question about quick sort
Add your answer
Q2. Nlonn run time of the sort
Ans. 
The time complexity of the quicksort algorithm is O(n log n).
• Quicksort has an average time complexity of O(n log n).

• The best case time complexity of quicksort is O(n log n) when the pivot element divides the array into two equal halves.

• The worst case time complexity of quicksort is O(n^2) when the pivot element is the smallest or largest element in the array.
Answered by AI
Add your answer

Q1. Design patterns that you have followed in your past projects.
Ans. 
I have followed the MVC, Singleton, and Factory design patterns in my past projects.
• MVC pattern for separating concerns and improving maintainability

• Singleton pattern for ensuring only one instance of a class is created

• Factory pattern for creating objects without exposing the instantiation logic
Answered by AI
View 1 more answer
Q2. How to secure the applications?
Ans. 
Applications can be secured by implementing various security measures such as authentication, authorization, encryption, and regular updates.
• Implement strong authentication mechanisms such as multi-factor authentication

• Use authorization to restrict access to sensitive data and functionalities

• Encrypt sensitive data both in transit and at rest

• Regularly update the application and its dependencies to patch security vulnera...read more
Answered by AI
View 1 more answer

Q1. System design , HLD, LLD , coding question
Add your answer