What do more complicated Java objects like Strings and ArrayLists represent in terms of data types?

Question

BlackTom AI · Accepted Answer

To analyze the question, I’ll consider what is meant by the data types of more complicated Java objects like Strings and ArrayLists.
Option 1: 'Static types' — This term isn’t the category of the data type itself. A static type refers to the type known at compile time, not to the runtime category of the value. This choice confuses the concept of static typing with the nature of the objects.
Option 2: 'Primitive types' — Java primitive types are the basic, built-in value types such as int, boolean, char, etc. They are not reference objects and have no methods. Since Strings and ArrayLists are objects with methods and state, this option is incorrect.
Option 3: 'Reference types' — This is the correct classification. In Java, Strings and ArrayLists are objects that are accessed by references. They are non-primitive types and are stored as references to heap-allocated objects.
Option 4: 'Value types' — In Java, there is no general separate category called value types for objects like String or ArrayList; references point to objects rather than the object itself as a value. While the term 'value type' is used in some languages, Java’s model uses reference types for objects, so this option is not accurate for Java’s terminology.
In summary, Strings and ArrayLists are objects that are accessed via references, fitting the 'Reference types' category rather than primitive types, value types, or the notion of static types. Therefore, the correct characterization is reference types.

CSE-110-OD25-27 11.1 Lesson and Knowledge Check - Study Hall Video episodes: 18-22

What do more complicated Java objects like Strings and ArrayLists represent in terms of data types?

查看解析

登录即可查看完整答案

类似问题

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

A product has a selling price of $20, a contribution margin ratio of 40% and fixed cost of $120,000. To make a profit of $30,000. The number of units that must be sold is: Type the number without $ and a comma. Eg: 20000

Which of the following statement regarding cost is correct:

Under the assumptions used in cost-volume-profit analysis, as the activity increases:

The CVP and break-even analysis are supported by a range of important assumptions. Which of the following is not an assumption of the CVP:

The break-even point is that at which:

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单