Android 10  |  10.0.0_r6
C++程序  |  24行  |  196 B 

@interface Foo
@end

@interface Foo(Top)
-(void)top;
@end

@interface Foo(Top2)
-(void)top2;
@end

@interface Foo(Top3)
-(void)top3;
@end

@protocol P1
@end

@protocol P2
@end

@protocol P3, P4;