21 нояб. 2012 г. · 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.

19 апр. 2009 г. · The instanceof operator does the work in a NullPointerException safe way. For example: if ("" instanceof java.io.

2 авг. 2013 г. · The instanceof operator evaluates to true if and only if the runtime type of the object is assignment compatible with the class or interface. ...

27 авг. 2012 г. · I have a Class object. I want to determine if the type that the Class object represents implements a specific interface.

24 мар. 2014 г. · Use the instanceof operator to test if the object w implements each of the interfaces and is of type X, and display the appropriate message.

22 мая 2013 г. · If you are looking for exact class match the only means is qux.getClass().equals(Foo.class). instanceof will also return true for subclasses.

24 мар. 2021 г. · One approach would be to reflectively load the Class object and using that for the instance check, returning false if the class is not on the classpath.

8 нояб. 2008 г. · You can use the "instanceof" operator. To use it, the left operand is a class instance and the right operand is an interface. It returns true if the object ...

7 сент. 2018 г. · Given String className = "com.example.MyClass"; How would I be able to check if this class implements a specific interface?

15 апр. 2012 г. · In general for AnInterface and anInstance of any class: AnInterface.class.isAssignableFrom(anInstance.getClass());