下面程序段执行后b的值是()。Integerinteg=newInteger(9)；booleanb=integinstanceofObject;
下面程序段执行后b的值是()。Integerinteg=newInteger(9)；booleanb=integinstanceofObject;
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下面程序段执行后b的值是()。Integerinteg=newInteger(9)；booleanb=integinstanceofObject;