Java中Integer、Long、Short、Byte類型的==比較出現的坑

下面代碼會輸出什麼？java Integer a = 127; Integer b = 127; System.out.println(a==b); Integer c = 128; Integer d = 128; System.out.println(c==d); Long e = 127l; Long f = 127l; System.out.println(e==f); Long g =

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