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Hi Aussiemcgr,

System.out.println() CAN take boolean and that is not the issue.

we can always declare and print boolean values

boolean b = true;
System.out.println(b); //output is true

Hi Greg,

I got the below information from SCJP Kathie Sierra:

You can't use the instanceof operator to test across two different class hierarchies.
Below code will NOT compile.

class Cat{}...

Hi All,

As per my knowledge, the instanceof operator compiles only if the reference type compared to class type are in the same inheritance tree.
According to that, below code should not compile...