单选题

Integer a = 1 Integer b = 1 Integer...

Question

Integer a = 1
Integer b = 1
Integer c = 500
Integer d = 500
System.out.print(a == b)
System.out.print(c == d)

上述代码返回结果为：

A. true、true

B. true、false

C. false、true

D. false、false