单选题下面哪种是正确的创建Map集合的方式()。AMap m=new Map();BMap m=new Map(init capacity,increment capacity);CMap m=new Map(new Collection());DMap是接口,所以不能实例化。
单选题
下面哪种是正确的创建Map集合的方式()。
A
Map m=new Map();
B
Map m=new Map(init capacity,increment capacity);
C
Map m=new Map(new Collection());
D
Map是接口,所以不能实例化。
参考解析
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