Class VCSVLocal

java.lang.Object

VCSVLocal

public class VCSVLocal
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static double[]	getColumnOfNumbers(java.lang.String filePath, int col) Returns an array of numbers that exist in a certain column of a CSV file.
static java.lang.String[]	getColumnOfStrings(java.lang.String filePath, int col) Returns an array of data that exists in a certain column of a CSV file.
static int	getNumCols(java.lang.String filePath) Returns the number of columns that contain data in a CSV file.
static int	getNumRows(java.lang.String filePath) Returns the number of rows that contain data in a CSV file.
static double[]	getRowOfNumbers(java.lang.String filePath, int row) Returns an array of numbers that exist in a certain row of a CSV file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getNumRows

public static int getNumRows(java.lang.String filePath)

Returns the number of rows that contain data in a CSV file.

Parameters:

filePath - the path of the CSV file (with respect to the root directory of the Java project).

Returns:

the number of rows that contain data in the CSV file with location filePath.

getNumCols

public static int getNumCols(java.lang.String filePath)

Returns the number of columns that contain data in a CSV file.

Parameters:

filePath - the path of the CSV file (with respect to the root directory of the Java project).

Returns:

the number of columns that contain data in the CSV file with location filePath.

getRowOfNumbers

public static double[] getRowOfNumbers(java.lang.String filePath,
                                       int row)

Returns an array of numbers that exist in a certain row of a CSV file.

This method throws java.lang.NumberFormatException when the input column contains a character that cannot be converted into a double.

Parameters:

filePath - the path of the CSV file (with respect to the root directory of the Java project).

row - the input row number (0-based index logic).

Returns:

an array of numbers that exist in row row of the CSV file located at filePath.

getColumnOfStrings

public static java.lang.String[] getColumnOfStrings(java.lang.String filePath,
                                                    int col)

Returns an array of data that exists in a certain column of a CSV file.

Parameters:

filePath - the path of the CSV file (with respect to the root directory of the Java project).

col - the input column number (0-based index logic).

Returns:

an array of data that exists in column col of the CSV file located at filePath.

getColumnOfNumbers

public static double[] getColumnOfNumbers(java.lang.String filePath,
                                          int col)

Returns an array of numbers that exist in a certain column of a CSV file.

This method throws java.lang.NumberFormatException when the input column contains a character that cannot be converted into a double.

Parameters:

filePath - the path of the CSV file (with respect to the root directory of the Java project).

col - the input column number (0-based index logic).

Returns:

an array of numbers that exist in column col of the CSV file located at filePath.