一个数组转化为一个数据结构,如ArrayList
String names[] = {"Bernadine",
"Elizabeth", "Gene", "Clara"};
List list = Arrays.asList(names);一个数据结构转化为数组
Collection collection = ...;
int size = collection.size();
Integer array[] = collection.toArray(new Integer[size]);
String names[] = {"Bernadine",
"Elizabeth", "Gene", "Clara"};
List list = Arrays.asList(names);一个数据结构转化为数组
Collection collection = ...;
int size = collection.size();
Integer array[] = collection.toArray(new Integer[size]);
如何能赋给 array[]???