© { JSL }
104
![Text Box: [ ]](slide0850_image379.png)
·indexers
provide [ ] like syntax of use
walways an
instance member, can be virtual
wno ref-out
parameters
wcan be
overloaded
class DoubleArray
{
...
public double this [int index]
{
...
}
...
}
an
indexer
is not an operator
DoubleArray marks;
...
marks[2] = 34.29;
...
if (marks[0] > 42.0) ...
no parentheses
this is a keyword