| Literals | Assigment | Operator | Instanceof | Delegates | Lambda |
instanceof check if an object is type of a class
InstanceOfExpression
: Expression 'instanceof' TypeName
;
Please refer also to Variable Declaration
Sample:
class AClass
extends acdk.lang.Object
implements acdk.lang.Comparable
{
int _numb;
public AClass(int number) { _numb = number; }
int compareTo(Object other)
{
return _numb - other._numb;
}
}
Integer cls = new Integer(42);
acdk.lang.Comparable comp1;
{
comp1 = new AClass(42);
}
if ((comp1 instanceof AClass) == false)
throw new acdk.tools.aunit.TestException("instanceof seems not to work 1");
acdk.lang.Comparable comp2 = new String("bla");
if ((comp2 instanceof acdk.lang.Comparable) == false)
throw new acdk.tools.aunit.TestException("instanceof seems not to work 2");
comp1.compareTo(new AClass(cls)); // convert it automatically from Integer to int
out.println("TEST OK");
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