explain Access modifiers public and default difference how to connect java to database 20 % of 25 superclass of all class sql query for delete last 10 rows from employee table

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Access modifiers control the visibility and accessibility of classes, methods, and variables in Java.

public access modifier allows a class, method, or variable to be accessed from any other class.
default access modifier (no keyword) allows a class, method, or variable to be accessed only within the same package.
To connect Java to a database, you can use JDBC (Java Database Connectivity) API.
The superclass of all classes in Java is the Object class.
SQL query to delete the last 10 rows from the employee table: DELETE FROM employee ORDER BY id DESC LIMIT 10;

explain Access modifiers public and default difference how to connect java to database 20 % of 25 superclass of all class sql query for delete last 10 rows from employee table

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