String concatenation operator
The string concatenation operator is a bit like a hedgehog, it looks cute and sweet, but try to grab hold of it quickly and you’ll soon know about it…
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The instanceof Operator
The instanceof operator is a great way for checking if a reference variable is of a given type, in other words, does it pass the IS-A inheritance test. Ask y...
Compound Assignment Operators
There are various compound assignment operators, however it is only necessary to know the 4 basic compound assignment operators for the exam, being as follow...
Static members
Statics are a rather strange beast, they belong to no instance of a class, they have no fixed abode, other than their class..
Local Variables, as far as the SCJP is concerned
Local variables are variables that are declared locally, funny that eh? This one should be nice and easy, lets have a look at a quick example :