Iris Medical Solutions Java Software Developer Interview Questions and Answers

Q1. Is sql necessary for your project ?
Ans. 
SQL is necessary for most projects involving databases to manage and query data efficiently.
• SQL is essential for creating, updating, and querying databases in most projects.

• Without SQL, it would be challenging to interact with databases and retrieve specific data.

• Examples of SQL commands include SELECT, INSERT, UPDATE, and DELETE.

• SQL can help optimize database performance and ensure data integrity.
Answered by AI
Add your answer
Q2. What is Hql ?
Ans. 
HQL stands for Hibernate Query Language, a query language similar to SQL but used for Hibernate ORM framework.
• HQL is used to perform database operations in Hibernate ORM framework.

• It is similar to SQL but operates on Hibernate objects instead of database tables.

• HQL queries are written in Hibernate-specific syntax.

• Example: 'FROM Employee e WHERE e.department = :dept'

• HQL queries are translated into SQL queries by Hiberna
Answered by AI
Add your answer
Q3. What are views ?
Ans. 
Views in Java are user interface components that display data from a model in a specific format.
• Views are used to represent the user interface in Java applications.

• They display data from a model in a visually appealing format.

• Examples include buttons, text fields, labels, and checkboxes.
Answered by AI
Add your answer
Q4. What are cross joins ?
Ans. 
Cross joins are a type of join operation in SQL that combines each row from one table with each row from another table.
• Cross joins do not have a join condition specified, resulting in a Cartesian product of the two tables.

• They can be used when you want to combine every row from one table with every row from another table.

• Cross joins can lead to a large result set if the tables being joined have many rows.
Answered by AI
Add your answer
Q5. Difference between delete and truncate
Ans. 
Delete removes rows one by one, while truncate removes all rows at once.
• Delete is a DML command, while truncate is a DDL command.

• Delete can be rolled back, while truncate cannot be rolled back.

• Delete fires triggers, while truncate does not fire triggers.

• Delete is slower as it logs individual row deletions, while truncate is faster as it logs the deallocation of the data pages.
Answered by AI
Add your answer

Q1. What is object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.

• Example: In a banking application, a 'Customer' class may have attributes like name and account balance, and methods li
Answered by AI
Add your answer
Q2. React vs angular
Ans. 
React is a lightweight library for building user interfaces, while Angular is a full-fledged framework for web development.
• React is more flexible and allows for easier integration with other libraries and frameworks.

• Angular provides more out-of-the-box features and a more opinionated structure.

• React uses a virtual DOM for better performance, while Angular uses two-way data binding for easier data manipulation.

• React is ...read more
Answered by AI
Add your answer

MCQ type questions from basic maths english

Q1. Programming questions
Add your answer

Q1. Salary structure
Add your answer

Easy question

Q1. What is aray in Java
Ans. 
An array in Java is a collection of similar type of elements stored in contiguous memory locations.
• Arrays can be of primitive data types like int, float, etc. or reference types like String, Object, etc.

• Arrays have a fixed size and can be accessed using an index starting from 0.

• Arrays can be initialized during declaration or later using the new keyword.

• Example: String[] names = {"John", "Mary", "Bob"};

• Example: int[] nu...read more
Answered by AI
Add your answer
Q2. Byte code flot and double
Add your answer

Q1. Tell me about your self? My name is sireesha. I am from allure. I am pursuing Bsc statistics final year in Basireddy memorial degree college from Rayalasima university,Nandikotkur.
Ans. My name is sireesha. I am from allure. I am pursuing Bsc statistics final year in Basireddy memorial degree college from Rayalasima university,Nandikotkur
Answered Anonymously
Add your answer
Q2. What are your strengths? My strengths are i am self motivated,hardworking and I am discipline person.
Add your answer
Q3. What are your skills? C language and java
Ans. 
Proficient in C language and Java programming with experience in developing software applications.
• Strong understanding of data structures and algorithms in C language

• Experience in developing web applications using Java

• Knowledge of object-oriented programming principles in Java

• Familiarity with Java frameworks like Spring and Hibernate
Answered by AI
Add your answer
Q4. What are your hobbies? My hobbies are watching tv,listening to music,cooking.
Add your answer
Q5. What is the difference between confidence and overconfidence? According to me confidence is the thought I can do and overconfidence is the thought of only i can do.
Add your answer
Q6. What are the differences between hardwork and smartwork? Hardwork and smart work both are the same key to success. Hard work gives experience and smart work comes from experience.
Add your answer
Q7. Why should I hire you? As a fresher,I need a platform to prove my skill.If i am in your company I will put my skills. If you hire me I will get professional knowledge and experience also
Add your answer

Q1. Java coding questions with microservices design patterns.
Add your answer

Q1. System design and nfr discussion
Add your answer

Q1. About basic concepts like oops and data structures
Add your answer

Q1. Bigdata related questions
Add your answer

Q1. About personal life and Communication skills ability check
Add your answer

Q1. Reverse a string
Ans. 
Reverse a string using built-in functions or manually iterating through the characters.
• Use StringBuilder's reverse() method to reverse the string.

• Iterate through the characters of the string and append them in reverse order to a new string.

• Use recursion to reverse the string.
Answered by AI
Add your answer