A UML diagram does not contain:UML图不包含:
A. the class name. 类名
B. the method names. 方法名称
C. the field names. 字段名
D. object names 对象名称
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Data hiding, which means that critical data stored inside the object is protected from code outside the object, is accomplished in Java by: 数据隐藏(这意味着存储在对象内部的关键数据不受对象外部代码的影响)是在Java中通过来实现的。
A. using the public access specifier on the class methods 在类方法上使用公共访问说明符
B. using the private access specifier on the class methods 在类方法上使用私有访问说明符
C. using the private access specifier on the class definition 在类定义上使用私有访问说明符
D. using the private access specifier on the class fields 在类字段上使用私有访问说明符
For the following code, which statement is not true?对于下面的代码，哪个语句是不正确的?public class Sphere{private double radius;public double x;private double y;private double z;}
A. x is available to code that is written outside the Circle class. x可用于在Circle类之外编写的代码
B. radius is not available to code written outside the Circle class. radius不能用于在Circle类之外编写的代码
C. radius, x, y, and z are called members of the Circle class. radius、x、y和z称为Circle类的成员
D. z is available to code that is written outside the Circle class. z可用于编写在Circle类之外的代码
You should not define a class field that is dependent upon the values of other class fields: 你不应该定义一个依赖于其他类域值的类域:
A. in order to avoid having stale data 为了避免数据过时
B. because it is redundant 因为它是多余的
C. because it should be defined in another class 因为它应该在另一个类中定义
D. in order to keep it current 为了保持最新
What does the following UML diagram entry mean?下面的UML图条目是什么意思?+ setHeight(h : double) : void
A. this is a public attribute named Height and is a double data type这是一个名为Height的公共属性，是double数据类型
B. this is a private method with no parameters and returns a double data type 这是一个没有参数的私有方法，返回一个double数据类型
C. this is a private attribute named Height and is a double data type 这是一个名为Height的私有属性，是一个double数据类型
D. this is a public method with a parameter of data type double and does not return a value这是一个公共方法，参数是数据类型double，没有返回值
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