如果實現(xiàn)某接口的類不是abstract的抽象類,則在類的定義部分必須____ 該接口的所有抽象方法;



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Wht will hppen to youngdults if their credit crd debt keepsccumultingccording toWht will h

ppen to youngdults if their credit crd debt keepsccumultingccording to Luci Dunn They will hve to pyn incresingly higher interest rte. B．They my experience finncil crisis in their oldge. C．Their qulity of life will beffected. D．Their credit crds my be cncelled.A．They will have to pay an increasingly higher interest rateB．They may experience a financial crisis in their old ageC．Their quality of life will be affecteD．Their credit cards may be cancelleD．