Redim

Redim, short for "redimension," is a command used in various programming languages to change the size of an array. The specific syntax and functionality of the redim command can vary depending on the programming language being used. In some languages, such as Visual Basic for Applications (VBA), redim can be used to change the size of an array while preserving the existing elements. This is particularly useful when you need to dynamically adjust the size of an array during program execution. For example, in VBA, you can use the redim statement to increase or decrease the size of an array, and you can also use the preserve keyword to retain the existing elements of the array. In other languages, such as C or C++, the redim command may not be available, and you may need to use alternative methods to change the size of an array. It is important to note that changing the size of an array can have performance implications, and it is generally recommended to use arrays of a fixed size whenever possible. Additionally, some programming languages may have specific limitations or restrictions on the use of the redim command, so it is important to consult the language documentation for more information. Overall, the redim command is a useful tool for programmers who need to dynamically adjust the size of an array during program execution.