
A composition relationship is established between two classes. A group is created in the generated COBOL for this relationship. See Figure 2.
01 GRANDCHILD .
05 PARENT .
10 ATTR1 PIC X(32).
10 ATTR2 PIC X(32).
05 CHILD .
10 ATTR5 PIC X(32).
10 ATTR6 PIC X(32).
10 CONTAINMENT .
15 ATTRIBUTE1 PIC X(32).
05 GRANDCHILD .
10 ATTR7 PIC X(32).