Please let me know if this is inappropriate as formulated (in particular whether Programmers开发者_如何学C.SE or something would be better for the question.)
This is probably easiest to explain with code (this is of course not the actual code but it has the same properties):
How can I specify that I want any object that implements the A interface to be allowed inside of the List in a type-safe manner?I want to be able to invoke a given method of A over all of the objects,
I see a code where there are two interfaces having some methods with two methods having same name. Then there is a class that implements these interfaces i think it should not have compiled because of
This question already has answers here: Closed 11 years ago. Possible Duplicates: marker interface What is the purpose of a marker interface?
开发者_C百科Im writing an android application that contains several (4 to be exact) Services. Each service has a static boolean field labeled \'running\'. It is set to true when the service is create
I\'d like to make an icon for my NSToolbar that has the same system stylings applied to it as the template icons in IB.How do you do this?I can\'t get the toolbar to apply system s开发者_开发技巧tylin
In languages like Java and c#, when you declare an interface the parameters on the functions have variable names. Could you make it more minimal and have the syntax work like this:
I tried to create an inter开发者_如何转开发face ISortableStack using <E extends comparable <E>> but I can\'t move forward. What does the following do?
Let\'s say I have an interface: public interface Foo{ String bar(int baz); } Now in some Java code I have an anonymous implementation of that interface:
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