S.N. Sunderson & Co Mining Engineer Interview Questions and Answers

Encapsulation is the process of hiding implementation details and providing a public interface for accessing the functionality.

• Encapsulation helps in achieving data abstraction and information hiding

• It prevents unauthorized access to the internal details of an object

• It allows for easier modification of implementation details without affecting the external interface

• Example: A bank account class may encapsulate the accou...read more

PHP code to connect with a database

• Use the mysqli_connect() function to establish a connection

• Provide the database hostname, username, password, and database name as parameters

• Check if the connection is successful using the mysqli_connect_errno() function

• Close the connection using the mysqli_close() function when done