Read CSV file

Setup

//planet.csv
Star,Constellation,Age (Gyr)
HD 142,Phoenix,5.931
WASP-44,Cetus,0.911
WASP-32,Pisces,4.728

Open CSV

@Test
public void read_CSV_File_With_OpenCSV () {
    
    InputStream in = this.getClass().getClassLoader().getResourceAsStream("planets.csv");
    
    try {
        CSVReader reader = new CSVReader(new InputStreamReader(in), '\t');
        
        List<String[]> rows = reader.readAll();
        for (int x=0; x < rows.size(); x ++) {
            
            String[] columns = rows.get(x);
            for (int y=0; y < columns.length; y++) {
                logger.info(columns[y]);
            }
        }
        
    } catch (FileNotFoundException e) {
        logger.error(e);
    } catch (IOException e) {
        logger.error(e);
    }
    
}

Output

Star,Constellation,Age (Gyr)
HD 142,Phoenix,5.931
WASP-44,Cetus,0.911
WASP-32,Pisces,4.728