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多选题
Given that b and c refer to instances of wrapper classes, which two statements are true?()
A
b.equals(b) returns true.
B
b.equals(c) returns the same result as b == c.
C
b.eqials(c) can return false even if c.equals(b) returns true.
D
b.equals(c) throws an exception if b and c are different wrapper types.
E
b.equals(c) returns false if the type of wrapper objects being compared are different.
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