Ownership of a block
AbstractBlock objects can be collected together within an .AbstractContainer. Each block stores a reference to its container along with a numeric index representing its position within that container.
Container of the block.
Index within the container. Indices start counting at one and increase to the length of the container.
Ownership of a block
AbstractBlock objects can be collected together within an.AbstractContainer .
Each block stores a reference to its container along with a numeric index
representing its position within that container.