Can we read CSV file in Java?

Can java read CSV file?

Java Scanner class The Scanner class of Java provides various methods by which we can read a CSV file. It provides a constructor that produces values scanned from the specified CSV file. This class also breaks the data in the form of tokens. There is a delimiter pattern, which, by default, matches white space.

How read and write CSV file in java?

You can Download OpenCSV Jar and include in your project class path. CSVReader – This class provides the operations to read the CSV file as a list of String array. CSVWriter – This class allows us to write the data to a CSV file.

How do I read a CSV file and convert to JSON in java?

Convert CSV file to JSON file. Get cvs data as InputStream from the resources directory. We use the BufferedReader and InputStreamReader to iterate and read the InputStream and return it as a string. Convert the csv string into JSON string using CDL. toJSONArray() .

How do I read a CSV file?

Steps to read a CSV file:1Import the csv library. import csv.2Open the CSV file. The . ... 3Use the csv.reader object to read the CSV file. csvreader = csv.reader(file)4Extract the field names. Create an empty list called header. ... 5Extract the rows/records. ... 6Close the file.