Concept
#1. The tool class used to operate arrays contains static methods.
2. Contained methods
Binary search, copies the specified array length, returns the string of the specified array content, and compares the two arrays in representation Whether the depths are equal to each other, specify the depth content (hash value) of the array, compare the two arrays to see if they are equal, replace all the contents in the array, return the hash value according to the array content, and sort.
Example
//数组中的元素都是对象
class ArraysDemo
{
public static void main(String[] args)
{
String[] arr={"abc","cc","kkk"}；
list list =Arrays.asList(arr);
System.out.println(list)
}
}
Run result:
[abc,cc,kkk]
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