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全部科目 > Java认证考试 > SCJP程序员认证考试

单项选择题

public class CreditCard { 
private String cardlD; 
private Integer limit; 
public String ownerName; 
public void setCardlnformation(String cardlD, 
String ownerName, 28. Integer limit) { 
this.cardlD = cardlD; 
this.ownerName = ownerName; 
this.limit = limit; 
} 
}
Which is true?() 

    A. The class is fully encapsulated.
    B. The code demonstrates polymorphism.
    C. The ownerName variable breaks encapsulation.
    D. The cardlD and limit variables break polymorphism.
    E. The setCardlnformation method breaks encapsulation.

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