74 instanceof is used to check if an object is an instance of a class, an instance of a subclass, or an instance of a class that implements a particular interface. Read more from the Oracle language …

The java instanceof operator is used to test whether the object is an instance of the specified type (class or subclass or interface). The instanceof in java is also known as type comparison operator as it …

java generics instanceof typechecking edited 1 min ago Sybuser 1,95442354 asked Oct 15, 2009 at 3:00 Nick Heiner 123k193488706 9 Answers Sorted by: 96

In fact in Java there's a boolean operator called instanceof which can be used to determine if an object is an instance of a class, an instance of a subclass, or an instance of a class that implements a …

Nov 21, 2012 · 70 instanceof can be used to test if an object is a direct or descended instance of a given class. instanceof can also be used with interfaces even though interfaces can't be instantiated like …

Is instanceof considered bad practice? If so, under what circumstances is instanceof still preferable? Asked 15 years, 9 months ago Modified 6 years, 11 months ago Viewed 50k times

The syntax is a instanceof Bref not a instanceof Bref.class. The second argument to the instanceof operator is a class name, not an expression resolving to a class object instance.

Jun 17, 2015 · With that said, the description you provide does not require instanceof. There are various ways you can implement this without instanceof, and (the most important thing) the alternate solution …

Jun 1, 2010 · The instanceof operator does not need explicit null checks, as it does not throw a NullPointerException if the operand is null. At run time, the result of the instanceof operator is true if …

Jul 16, 2012 · Understanding instanceof in java along with if condition? Asked 13 years, 6 months ago Modified 13 years, 6 months ago Viewed 7k times