TooCSV is a robust, fast, dependency-free, and RFC 4180 compliant CSV utility. It requires less memory usage and supports reading large CSV real-world data.

Benchmark

The following benchmark is tested with this *dataset

CSV Utility	Execution Time (ms)	Records Per Second
FastCSV 2.2.0	5134	6809
OpenCSV 5.7.0	8875	3939
TooCSV 0.1.0	11036	3168
Commons CSV 1.9.0	24662	1418

* source: https://www.stats.govt.nz/large-datasets/csv-files-for-download/ (Age and sex by ethnic group (grouped total responses), for census usually resident population counts, 2006, 2013, and 2018 Censuses (RC, TA, SA2, DHB), CSV zipped file, 103 MB)

Features

• Simple API
• Easy to use
• Robust
• RFC 4180 compliant
• Simple structure

Requirements

• Minimum version: Java 8

Examples

CsvReader

try (CsvReader reader = new CsvReader(new FileReader("./sample.csv"))) {
  String[] row;
  while ((row = reader.readRow()) != null) {
    // ...
  }

} catch (IOException e) {
  e.printStackTrace();
}