数组,List,Set相互转化

https://blog.csdn.net/kye055947/article/details/80561633

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转载:https://blog.csdn.net/my_precious/article/details/53010232
 
1. 数组转化为List:
String[] strArray= new String[]{"Tom", "Bob", "Jane"};
 
List strList= Arrays.asList(strArray);
 
2. 数组转Set
String[] strArray= new String[]{"Tom", "Bob", "Jane"};
 
Set<String> staffsSet = new HashSet<>(Arrays.asList(staffs));
 
staffsSet.add("Mary"); // ok
 
staffsSet.remove("Tom"); // ok
 
3. List转Set
String[] staffs = new String[]{"Tom", "Bob", "Jane"};
 
List staffsList = Arrays.asList(staffs);
 
Set result = new HashSet(staffsList);
 
4. set转List
String[] staffs = new String[]{"Tom", "Bob", "Jane"};
 
Set<String> staffsSet = new HashSet<>(Arrays.asList(staffs));
 
List<String> result = new ArrayList<>(staffsSet);
 

 
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原文链接:https://blog.csdn.net/kye055947/article/details/80561633

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