There are many ways to read CSV files using java.

1. Using BufferedReader class from the java.io package.

2. Read a CSV file line by line and convert each line into an object representing that data using the Scanner class.

3. Use a third-party library like Apache Commons CSV.

4. Read a CSV file in Java using OpenCSV

For More details please follow the tutorials.

Read file to byte[] array in Java.

Read File from the Classpath in a Spring.

Java File Reader Examples.

How to Read the file from resources folder in Java.

Files in Java.