CSVReaderTester.java :

/** This program demonstrates and tests methods of the CSVReader class. */ public class CSVReaderTester { public static void main(String[] args) { CSVReader reader1 = new CSVReader("att2007.csv"); CSVReader reader2 = new CSVReader("quotes.csv"); System.out.println("Number of rows: " + reader1.numberOfRows()); System.out.println("Expected: 214"); System.out.println("Number of fields in row 10: " + reader1.numberOfFields(10)); System.out.println("Expected: 7"); System.out.println("Row 10, Col 2: " + reader1.field(10, 2)); System.out.println("Expected: 24.95"); System.out.println("Number of rows: " + reader2.numberOfRows()); System.out.println("Expected: 2"); System.out.println("Number of fields in row 1: " + reader2.numberOfFields(1)); System.out.println("Expected: 4"); System.out.println("Row 1, Col 2: " + reader2.field(1, 2)); System.out.println("Expected: Hello, World"); System.out.println("Row 1, Col 3: " + reader2.field(1, 3)); System.out.println("Expected: He asked: \"Quo vadis?\""); System.out.println("Row 0, Col 3: " + reader2.field(0, 3)); System.out.println("Expected: \"..., that all men are created equal, ...\""); } }

quotes.csv :

att2007.csv :

The CSV (or comma-separated values) format is commonly used for tabular data. Each table row is a line, with columns separated by commas. Items may be enclosed in quotation marks, and they must be if they contain commas or quotation marks. Quotation marks inside quoted fields are doubled. Here is a line with four fields: 1729, San Francisco, "Hello, World", "He asked: ""Where are you going?""" Implement a class cvsReader that reads a CSV file, and provide the following methods int numberOf Rows() int numberOfFields (int row) String field(int row, int column) 11 Returns the field in a particular row and colum // Returns the number of lines in the CSV file // Returns the number of fields in a particular row Then, test your class with the tester class, provided, and with the two CSV files, provided