.getConfigurationElements();
for (int j = 0; j < operatorExtentions.length; j++) {
IConfigurationElement operatorExtention = operatorExtentions[j];
String kind = operatorExtention.getName();
if (kind.equals("mathOperator")) {
MathOperator operator = (MathOperator) operatorExtention
.createExecutableExtension("operatorClass");
operators.add(operator);
}
}
}