MSR Cosmos Group Java Software Developer Interview Questions, Process, and Tips

Coding test is good , coding question is very easy .

Q1. Sql stands for? DDL commands? RDBS full form?
Ans. 
SQL stands for Structured Query Language. DDL commands are used to define the structure of a database. RDBS stands for Relational Database Management System.
• SQL stands for Structured Query Language

• DDL commands are used to define the structure of a database

• RDBS stands for Relational Database Management System
Answered by AI
View 2 more answers
Q2. DML full for? What is the range of char?
Ans. 
DML full form is Data Manipulation Language. Range of char is 0 to 65,535.
• DML is used to manipulate data in a database.

• Char is a data type in Java used to store a single character.

• The range of char is from 0 to 65,535, which represents all Unicode characters.
Answered by AI
Add your answer
Q3. Restfull web services use HTTP methods to implement the Concept of REST?
Ans. 
Yes, RESTful web services use HTTP methods to implement the concept of REST.
• HTTP methods like GET, POST, PUT, DELETE are used to perform CRUD operations on resources.

• GET is used to retrieve a resource, POST is used to create a new resource, PUT is used to update an existing resource, and DELETE is used to delete a resource.

• RESTful web services use these HTTP methods to provide a uniform interface for accessing and mani...read more
Answered by AI
Add your answer
Q4. When two threads access the same array list object what is the outcome of the array?
Ans. 
Accessing the same ArrayList object by two threads can cause race conditions and lead to unpredictable outcomes.
• Race conditions can occur when two threads try to modify the same element in the array at the same time.

• Synchronization can be used to prevent race conditions and ensure thread safety.

• Using a concurrent collection like CopyOnWriteArrayList can also prevent race conditions.

• If one thread is only reading from th...read more
Answered by AI
Add your answer