HashMap和LinkedHashMap哪个先执行,就哪个耗时长。
[main] INFO org.example.Demo5 - linkedHashMap map init time= 7332
[main] INFO org.example.Demo5 - linkedHashMap map showMap time= 9454
[main] INFO org.example.Demo5 - hashMap map init time= 4432
[main] INFO org.example.Demo5 - hashMap map showMap time= 771
[main] INFO org.example.Demo5 - treeMap map init time= 8016
[main] INFO org.example.Demo5 - treeMap map showMap time= 1382
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[main] INFO org.example.Demo5 - hashMap map init time= 6176
[main] INFO org.example.Demo5 - hashMap map showMap time= 8706
[main] INFO org.example.Demo5 - linkedHashMap map init time= 4127
[main] INFO org.example.Demo5 - linkedHashMap map showMap time= 337
[main] INFO org.example.Demo5 - treeMap map init time= 7755
[main] INFO org.example.Demo5 - treeMap map showMap time= 1122