学堂在线基于Java的面向对象编程范式章节测试题答案

1 - 编程之前 Before coding
Scientific thinking is the transformation of an unsolved problem into a solved problem wit…
Please select the correct order of evolution of thinking in software engineering: a. Mathe…
The von Neumann architecture is the memory, control unit, arithmetic unit and ( ) AInput/O…
Instructions such as 'MOV?A,06H' belong to which language? AMachine language BAssembly Lan…
Different software frameworks or hardware frameworks solve problems in the same way
The analysis model that helps us summarize the system scenario and describe what the syste…
The product of the requirements analysis phase is the software requirements specification …
Code and executables are the product of which step? ARequirements Analysis BDesign CCons…
Decomposition and abstraction are ways to reduce code complexity
Please select all the methods that can reduce the complexity of the system a. Abstraction …
A java file can have more than one public class name and the name can be different from th…
Please select the entry method for JAVA. Apublic void main() Bpublic static void main() …
Please select the most appropriate one from the following options as the name of the varia…
What is the first thing we need to accomplish before we can proceed with software engineer…
Please select the correct order of the steps in the Software development life-cycle model …
2 - 结构化编程范式 Structured Programming Paradigm
Structured programming is broken down by what AAlgorithm BData Structure CPersonal Inter…
A system in a data flow diagram is a collection of processes
Data changes in a data flow diagram include ( ) AConverted BStored CBeing distributed D…
Structured diagrams can only express the dependencies between modules
Which of the following modules are not part of a structured graph? AOutput modules BBranc…
do{...}until{...} statements belong to ( ) Jump Branching Loop Order
The goto instruction breaks the readability of the code 作答区
The benefits of avoiding code duplication are ( ) ASaving time BImproving code readabili…
Testing includes ( ) ARed Box Testing BBlack Box Testing CWhite box testing DPandora's …
Black-box testing requires knowledge of the code structure
3 - 面向对象编程范式 Object-Oriented Programming Paradigm
Which of the following statements is incorrect? ( ). AA good design is well equipped to ha…
When implementation changes, requirement additions, or requirement changes occur, extensiv…
Which of the following statements is incorrect? ( ). ACompile-time static linking by exten…
Which of the following statements is incorrect? ( ). ABoth classes and objects are embodim…
The process of obtaining an object includes finding a candidate object and refining the ob…
A class is a collection of identical things that describes the non-essential characteristi…
The process of creating and accessing an object of a class in Java includes ( ). AAll othe…
"Don't reinvent the wheel" best reflects the idea of software ( ). AReusability BRel…
Which of the following layers are included in the layered style ( ). APresentation layer …
When testing methods that are only related to the same class (semi-independent), it is nec…
4 - 类的封装 Encapsulation of the Class
The rules that a well-implemented wrapper should satisfy do not include ( ) AMeet high cou…
1. public class Position{ 2. double latitude; 3. double longitude; 4. 5. public static dou…
1. class Point{ 2. double x; 3. double y; 4. 5. public double calDistance(Point a){ 6. ...…
Data responsibilities characterize the essential characteristics of the object, and behavi…
Which of the description of the concept class diagram is incorrect? AConcept class has no …
Which of the description about class diagrams is incorrect? AThe "-" in the class diagram …
Which of the following statement about defensive programming is incorrect? AAssertions are…
1. public int findMax(int [] array){ 2. if(array==null||array.length==0)----------------(1…
Which of the following statement is incorrect? AAfter creating the class object, jvm will …
1. public class Duck {  2.     static int duckCount； 3.     int count;  4. 5. …
5 - 类的协作 Collaboration of Classes
Objects in life can play multiple responsibilities, so in the object-oriented world, an id…
How can you tell when a class has more than one responsibility? AWhen it provides a large …
Which one of the following are collaborative objects? AThe object itself BAny object pass…
When a client calls a server interface, it should not only know the function of the interf…
The relationships between classes, in descending order of weakness, are ACommon Associatio…
An object A does not hold a reference to an object B, but B is used in a method of A. Then…
Which one of the following statements is true about aggregation? AIt is a strong version o…
Which one of the following English phrases is used to express combinatorial relationships?…
In a cashier system, using a delegated design style, who should calculate the price of eac…
In a sequence diagram, synchronous messages are solid triangular arrows, and return and as…