78.Create model and repos

How to create a repository in Java?

• Extend the ExchangeValueRepository interface
• Open CurrencyExchageController
• Create a query method in the ExcahngeValueRepository
• All of the above

What is repo in Java?

• Classes or components for data access
• Mathematical models in a machine-readable format
• An online database for storing models
• Java annotations for storage operations

Why do we create repository?

• To centralize common data access functionality
• To encapsulate logic for accessing data sources
• To decouple infrastructure from the domain model layer
• All of the above

What is repository model?

• An online database for storing models
• A mechanism for storage, retrieval, and update operations
• A class that provides data access functionality
• A format for representing mathematical models

How can I create a repository?

• Use the "New repository" option in the menu
• Provide a name and description for the repository
• Select the repository visibility and initialize it with a README
• All of the above

What is repository in Java Spring?

• It provides storage and retrieval operations
• It handles search and update operations
• It encapsulates data access logic
• It defines the mechanism for database transactions

What is the difference between model and repository?

• A model opens access to a database table, while a repository handles data retrieval
• A model handles database transactions, while a repository defines search operations
• A model represents domain entities, while a repository provides data access functionality
• A model encapsulates data access logic, while a repository defines database relationships

What is a Maven repo?

• A location for storing and managing Maven artifacts
• A file system used for version control software
• An online database for Java dependencies
• A collection of Maven lifecycle phases

Why is @autowired used?

• It provides control over autowiring mechanisms
• It specifies the location of Maven artifacts
• It manages Java dependency versions
• It defines repository visibility

Where is repository used?

• For storing information about file systems
• For handling database transactions
• For encapsulating data access functionality
• For managing Java dependencies