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## org.apache.poi.ss.formula.functions
Class WeekdayFunc

    java.lang.Object
      org.apache.poi.ss.formula.functions.WeekdayFunc

All Implemented Interfaces:
  Function

    public final class WeekdayFunc

extends java.lang.Object
implements Function

Implementation for the Excel function WEEKDAY

Author:
  Thies Wellpott

Field Summary
`static Function` | `instance`

Method Summary
`ValueEval` | `evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex)` Perform WEEKDAY(date, returnOption) function.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### instance

    public static final Function instance

Method Detail

### evaluate

    public ValueEval evaluate(ValueEval[] args,
                              int srcRowIndex,
                              int srcColumnIndex)

  Perform WEEKDAY(date, returnOption) function. Note: Parameter texts are from German EXCEL-2010 help. Parameters in args[]: args[0] serialDate EXCEL-date value Standardmaessig ist der 1. Januar 1900 die fortlaufende Zahl 1 und der 1. Januar 2008 die fortlaufende Zahl 39.448, da dieser Tag nach 39.448 Tagen auf den 01.01.1900 folgt.

  Specified by:
    `evaluate` in interface `Function`
  Parameters:
    `args` - the evaluated function arguments. Empty values are represented with `BlankEval` or `MissingArgEval`, never `null`.
    `srcRowIndex` - row index of the cell containing the formula under evaluation
    `srcColumnIndex` - column index of the cell containing the formula under evaluation
  Returns:
    Option (optional) Bestimmt den Rueckgabewert: 1 oder nicht angegeben Zahl 1 (Sonntag) bis 7 (Samstag). Verhaelt sich wie fruehere Microsoft Excel-Versionen. 2 Zahl 1 (Montag) bis 7 (Sonntag). 3 Zahl 0 (Montag) bis 6 (Sonntag). 11 Die Zahlen 1 (Montag) bis 7 (Sonntag) 12 Die Zahlen 1 (Dienstag) bis 7 (Montag) 13 Die Zahlen 1 (Mittwoch) bis 7 (Dienstag) 14 Die Zahlen 1 (Donnerstag) bis 7 (Mittwoch) 15 Die Zahlen 1 (Freitag) bis 7 (Donnerstag) 16 Die Zahlen 1 (Samstag) bis 7 (Freitag) 17 Die Zahlen 1 (Sonntag) bis 7 (Samstag)

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Copyright 2017 The Apache Software Foundation or its licensors, as applicable.