net_array
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net_array [2018/05/31 03:52] – wolfgangriedmann | net_array [2018/09/09 04:20] (current) – wolfgangriedmann | ||
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A static array is defined by any datatype, followed by an open and a close square bracket: | A static array is defined by any datatype, followed by an open and a close square bracket: | ||
- | < | + | < |
To initialize such an array, you need to specify also the dimension, or to specify the values, casting to the right datatype: | To initialize such an array, you need to specify also the dimension, or to specify the values, casting to the right datatype: | ||
- | < | + | < |
aData := < | aData := < | ||
It depends on the compiler settings of your application, | It depends on the compiler settings of your application, | ||
Therefore it is better to use the '' | Therefore it is better to use the '' | ||
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// Do something | // Do something | ||
next</ | next</ | ||
Since an array is also an object, it has its own properties and methods. | Since an array is also an object, it has its own properties and methods. | ||
But the static methods of the array class are much more interesting: | But the static methods of the array class are much more interesting: | ||
- | < | + | < |
cByte := Array.Find( aData, { a as byte => a == 2 } ) | cByte := Array.Find( aData, { a as byte => a == 2 } ) | ||
cByte := Array.Find( aData, FindByte ) | cByte := Array.Find( aData, FindByte ) | ||
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There are two different types of multidimensional arrays with different syntax: | There are two different types of multidimensional arrays with different syntax: | ||
The jagged arrays or arrays of arrays: | The jagged arrays or arrays of arrays: | ||
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aJagged := < | aJagged := < | ||
System.Console.WriteLine( aJagged[0][0] )</ | System.Console.WriteLine( aJagged[0][0] )</ | ||
The jagged arrays are more efficient, but have a (for xBase users) strange syntax to access the members. | The jagged arrays are more efficient, but have a (for xBase users) strange syntax to access the members. | ||
+ | <code visualfoxpro> | ||
+ | aJagged := < | ||
+ | At this level, there are no strings in aJagged. Only NULL values. | ||
+ | |||
+ | And now (if zero based), it can be filled: | ||
+ | <code visualfoxpro> | ||
+ | |||
+ | aJagger[0][0] := "First String element in the 1st array" | ||
+ | aJagged[1][2] := "Hello !" | ||
+ | aJagged[2][nLen-1] := "Last String element in the last array"</ | ||
+ | |||
There are also multidimensional arrays: | There are also multidimensional arrays: | ||
- | < | + | < |
aMulti := string[, | aMulti := string[, |
net_array.txt · Last modified: 2018/09/09 04:20 by wolfgangriedmann