Detailed explanation of sorting examples of Java map

Detailed explanation of sorting examples of Java map

To sort key value pairs in a map, you can use the sort method provided by the collections class. This method allows users to use custom sorting methods. You can press the key to sort or sort by value.

The specific codes are as follows:

1. Generate required data

2. Convert the map collection to a list collection for sorting

3. Start sorting

The above code constructs a sorting method through an anonymous class and sorts according to the value of the map.

Using this method, you can sort the map class.

If you want to sort the list, you can use step 3 directly.

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