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Convert string array to list collection
2022-06-25 02:00:00 【Full stack programmer webmaster】
Hello everyone , I meet you again , I'm your friend, Quan Jun .
String[] arr = {"a", "C", "abc"};
// asList This method can directly convert an array into list aggregate , But the collection is [ read-only ], You cannot add, delete, or modify the resulting set
List<String> asList = Arrays.asList(arr);
System.out.println(asList); // result :[a, C, abc]
List list = new ArrayList(asList);// After this step, you can add, delete and modify
list.add("ddd");
System.out.println(list);// The result is [a,b,ccc,ddd]Publisher : Full stack programmer stack length , Reprint please indicate the source :https://javaforall.cn/151785.html Link to the original text :https://javaforall.cn
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