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Showing posts with label Array. Show all posts
Showing posts with label Array. Show all posts

Thursday, August 19, 2010

Array in Powerbuilder

Array is an indexed collection of elements of a single data type. An array can have one or more dimensions. One-dimensional arrays can have a fixed of variable size; multidimensional array always have a fixed size.

In Powerbuilder, any simple variable declaration becomes an array when you specify brackets [] after the variable name. For fixed-size arrays, you specify the sizes of the dimensions inside those brackets.

There are 2 types of array in Powerbuilder:
1. Variable Array
2. Fixed Array.

Samples in Powerbuilder script to declare an array

integer ali_number[ ] //Array of integers.
decimal {2} ald_harga[ ] // Array of decimal with 2 digits of precision
date ald_birthdate[ ] // array of date
integer ali_number[3] // fixed array of 3 integers
string als_daysname[7] // fixed array of 7 strings
integer ali_score[2,3] // 2 dimensional array of integer, means that we declare a 6-elements
long all_days[3,300,50] // 3 dimensional array of long, which have 45000 elements of array

There are 2 functions that provided for array data type in Powerbuilder: upperbound, lowerbound
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