how to check if csv file is empty in java

Nareshit answered on March 20, 2025 Popularity 1/10 Helpfulness 1/10

answer how to check if csv file is empty in java

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how to check if csv file is empty in java

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You can check if a CSV file is empty in Java using BufferedReader or File class.

Using BufferedReader (Recommended)
import java.io.*;

public class CheckCSVEmpty {
    public static void main(String[] args) {
        File file = new File("data.csv"); 
        try (BufferedReader br = new BufferedReader(new FileReader(file))) {
            if (br.readLine() == null) {
                System.out.println("CSV file is empty.");
            } else {
                System.out.println("CSV file is not empty.");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
Using File Class (Checks Size Only)
File file = new File("data.csv");
if (file.length() == 0) {
    System.out.println("CSV file is empty.");
} else {
    System.out.println("CSV file is not empty.");
}

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Source: nareshit.com

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Contributed on Mar 27 2025

Nareshit

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Go to windows settings and install the latest "Apple USB Device" update

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Contributed on Mar 20 2025

Obnoxious Oystercatcher

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how to check if csv file is empty in java

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