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Integer int compare size
2022-07-03 12:11:00 【zwanying】
1、a1 == a2 true
Integer.valueof(int) Automatic boxing
2、b1 == b2 false
Out of range -128-127, Different objects
3、c1 == c2 false
new, Different addresses
4、d1 ==d2 true
Automatic dismantling , Compare value size
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