Vinsinfo Software Developer Interview Questions and Answers

Q1. Oops, basic ,SQL ,ado
Add your answer

Curd operation with SQL connectivity

Ms office,Core Java , Tally , C,

In my Opinion,view , If you ask me, As far as I can see/I am Concerned , It seems to me that , I think /feel/reckon/ belive , If you want my option , What we have to decide

Best way to prefer java, core java and most imp spring boot because many of companies required spring boot now a days

Q1. What is java is the basic question for everyone
Add your answer
Q2. What is difference between path and classpath variables
Ans. 
Path variable is used to locate executable files while classpath variable is used to locate Java classes.
• Path variable is used by the operating system to locate executable files.

• Classpath variable is used by Java to locate classes and resources.

• Path variable is system-specific while classpath variable is Java-specific.

• Path variable is set by the user while classpath variable is set by the developer.

• Example of path vari...read more
Answered by AI
Add your answer
Q3. What is enum in java
Ans. 
Enum is a special data type in Java used to define a set of constants.
• Enums are used to represent a fixed number of values that do not change.

• They are declared using the enum keyword.

• Each enum constant is an object of the enum type.

• Enums can have constructors, methods, and fields.

• Example: enum Color { RED, GREEN, BLUE }

• Enums can also have values associated with them, like Color.RED(255, 0, 0).
Answered by AI
Add your answer
Q4. What is 2 phase commit
Ans. 
2 phase commit is a protocol used to ensure distributed transactions are either committed or rolled back.
• Used in distributed systems where multiple databases are involved in a transaction

• Ensures all databases either commit or rollback the transaction

• Involves a coordinator and multiple participants

• Coordinator sends a prepare message to participants, who respond with either commit or abort

• If all participants respond with...read more
Answered by AI
Add your answer
Q5. They can ask questions on your project
Add your answer
Q6. Is java completely object oriented?
Ans. 
Yes, Java is completely object oriented.
• Java is designed to be completely object oriented.

• All code in Java is written inside classes and objects.

• Java supports encapsulation, inheritance, and polymorphism.

• Java does have some non-object oriented features like primitive data types.

• However, even these can be treated as objects using wrapper classes.
Answered by AI
Add your answer
Q7. What is exception in java?
Ans. 
Exception is an event that occurs during the execution of a program and disrupts the normal flow of instructions.
• Exceptions are objects that are thrown at runtime when an abnormal condition occurs

• Java provides a set of predefined exceptions that can be used to handle errors

• Exceptions can be caught and handled using try-catch blocks

• Unchecked exceptions are those that are not checked at compile-time, while checked except
Answered by AI
Add your answer

Q1. No specific questions they can ask about company only and will talk about package
Add your answer