Java sorting method according to the attributes of objects in the list
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Java
Method 1: implement the comparator interface and rewrite the compare method @ H_ 404_ 4@
Entity class code:
Test class:
Operation results:
Method 2: implement the comparable interface and rewrite the CompareTo method @ H_ 404_ 4@
Test class
Operation results
3、 Summary: differences in writing and usage between the two ways: @ h_ 404_ 4@
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