数组，List，Set相互转化
- 工作小总结
- 时间：2021-01-14 11:32
- 3396人已阅读
简介
1.数组转化为List：String[] strArray= new String[]{"Tom", "Bob", "Jane"};List strList= Arrays.asList(strArray);2.数组转SetString[]strArray=newStr
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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);上一篇： 【jd】