Java中 map.values轉換為list或者string[]
阿新 • • 發佈：2018-12-06
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@Test
public
void
testMap2List()
throws
Exception{
Map<String, String> map =
new
HashMap<String, String>();
map.put(
"1"
,
"AA"
);
map.put(
"2"
,
"BB"
);
map.put(
"3"
,
"CC"
);
map.put(
"4"
,
"DD"
);
Collection<String> valueCollection = map.values();
final
int
size = valueCollection.size();
List<String> valueList =
new
ArrayList<String>(valueCollection);
String[] valueArray =
new
String[size];
map.values().toArray(valueArray);
}
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原文地址 https://www.cnblogs.com/hqbhonker/p/5196359.html