The meaning of markers in Java generics:
E - Element (used in collections because collections hold elements)
T - Type (Java class)
K - Key 键
V - Value
N - Number (numeric type)
? - represents an indeterminate java type
The meaning of markers in Java generics:
E - Element (used in collections because collections hold elements)
T - Type (Java class)
K - Key 键
V - Value
N - Number (numeric type)
? - represents an indeterminate java type