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68 Chapter 5. Adapter Class Reference
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REPOSITORY.
CLASS JA-2-INT AS "JA-2-int"
CLASS JA-1-INT AS "JA-1-int"
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01 anArray OBJECT REFERENCE JA-2-INT.
01 wArray OBJECT REFERENCE JA-1-INT.
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INVOKE JA-2-INT "NEW-ARRAY" USING n RETURNING anArray. [1]
PERFORM VARYING I FROM 0 BY 1 UNTIL I >= n
INVOKE JA-1-INT "NEW-ARRAY" USING m RETURNING wArray [2]
INVOKE anArray "SET-ARRAY-ELEMENT" USING I wArray [3]
END-PERFORM.
SET wArray TO NULL.
1. A two-dimensional array object of int is generated (number of elements = n).
2. A one-dimensional array object of int is generated (number of elements = m).
3. The one-dimensional array generated in [2] is set in each element of the first
dimension of anArray.
GET-ARRAY-LENGTH method (object method)
Explanation
This method returns the number of elements of an array object.
Syntax
INVOKE
anObject
"GET-ARRAY-LENGTH" RETURNING
elmNum
Parameter and return value
• anObject
Specifies the array object from which the number of elements is obtained.
• elmNum (attribute: PIC S9(9) COMP-5)
Returns the number of elements of an array.
GET-ARRAY-ELEMENT method (object method)
Explanation
This method fetches an element from an array object.
Syntax
INVOKE
anObject
"GET-ARRAY-ELEMENT" USING inx RETURNING
elemValue
Parameter and return value
• anObject
Specifies the array object from which an element is to be fetched.
• inx (attribute: PIC S9(9) COMP-5)
Specifies the subscript of the element to be fetched. The subscript begins
from 0.
• elemValue (attribute: Array element type)
Returns the value of the array element fetched.