MATLAB BUILDER JA 2 Podręcznik Użytkownika Pobierz pdf (Strona 200)

100

101

4 Using MWArra y Classes

public int numberOfFields()

Input Parameters

None

Example — Getting the Number of Fields in a Structure Array

Create an MWStructArray object with three fields and display the number

of fields:

int[] sdims = {1, 2};

String[] sfields = {"f1", "f2", "f3"};

MWStructArray S = new MWStructArray(sdims, sfields);

String[] str = S.fieldNames();

System.out.println("There are " + S.numberOfFields() +

" fields in this structure.");

When run, the example displays this output:

There are 3 fields in this structure.

Methods to Get and Set Data in the MWStructArray

Use these methods to get and set v alues in an object of class MWStructArray.

Method Description

“get” on

page 4-125

Returns the element at the specified offset as an Object.

“getData”

on page

4-127

Returns a one-dimensional array containing a copy of the data

in th e und erlying MATLAB array.

4-124

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