[Solved] Where does Java store the data?

Question

Constructor create object in memory only, and once your app is closed or pc shutdown your data will be lost,

store data in a file is useful to store application settings, you have to use an xml or a properties file.

If you want to store your business or other data in a database, you have to learn the java persistence API ,some relational database and some persistence provider and your object (class) must implements serializable interface.

if you need to store and manage a very huge data (BIG DATA) you have to use NoSQL database.

Accepted Answer

Constructor create object in memory only, and once your app is closed or pc shutdown your data will be lost,

store data in a file is useful to store application settings, you have to use an xml or a properties file.

If you want to store your business or other data in a database, you have to learn the java persistence API ,some relational database and some persistence provider and your object (class) must implements serializable interface.

if you need to store and manage a very huge data (BIG DATA) you have to use NoSQL database.