If you a Programmer, especially C++, you wold most likely want to know about Double Data Types.
In this resource, we are going to learn – what do Double Data Types hold.
You are also given additional information for extended observations. However, you can always skip to the specific sections.
Here is a Table of what you will be covering in this article.
Table of Content
So, let’s uncover the subject in more details.
Introduction to Data Types
Data Types are used in a variety of programming languages.
From language to language, it may hold different features.
In simple words, a Data Type defines how should compiler treat specific values.
For example, if you create a Variable in C++, the process of Variable Declaration also tells the type of variable to the compiler.
In simple words, if you create an Integer variable, the compiler understands That the value should be treated as Numeric digits.
This is how and why Data Types are used.
There are different types of Data Types a programmer uses. Some of them are listed below.
- Integer
- Float
- Character
- String
- Boolean
- Array
You may notice different Data Types in different languages. Also, languages are used for various purposes, depending on their nature. So, in this case, you may also notice change of behavior in various Data Types.
What are Double Data Types ?
As its name suggests, such Data Types can declare an excessive amount of Data Memory when created.
Unlike normal variables or data types, a Double Data Type can hold large numbers, ranging from the smallest to largest digits.
Generally, a Double Data Type can hold Floating-point values of large sizes. Please note, its range may vary depending on language.
Double Data Types are used to prevent data loss. It is also used to treat floating point variables more efficiently.
Note: You can also use Float Data Type to store Floating-point values. But, a Double Data Type provides more space to store values, performance tweaks added as well.
What do Double Data Types hold ?
Double Data Types hold an excessive amount of data as compared to Float. For example, Double Data Types store large numbers That can’t be stored by normal Float Data Types.
It is cleared That floating points are stored in a high range in Double Data Types. In simple words, the type of data is Floating, it is the range That matters.
Note: Note That Float or Integer or Double Data Type all hold Numeric data. However, the difference comes when it comes to storing various ranged values.
Double Data Types hold precise values as compared to normal Data Types.
In simple words, a double can represent a value with decimal points. This is how Double Data Type stores fractional values.
Double Data Types can also be applied on other data types. For example, if you need to store large character sets, you will need to declare an equivalent 2 arrays.
As Double Data Types store more data, it also occupies large memory as compared to Float. For example, if Float occupies 4 Bytes in memory, Double will occupy 8 Bytes.
As Double Data Type stores long ranged data, you will also need to take care of processing your data.
For example, if an integer value has become higher than normal, you may face mathematical results in a different way.
Conclusion
Data Types are vital ingredients of programming languages.
With Data Types, programmers can easily manage their data stored in variables. Also, data processing becomes seamlessly better with various Data Types.
For example, Numeric values are handled with Float and Integer Data Types.
Double Data Types hold long ranged data values. For example, if you have defined Double Data Types to store numeric data, you can store more data as compared to normal Float variables.
Also, as discussed above, Double Data Types also occupies more space in memory. To be honest, regardless of how Data Types work, Double Data Types efficiently help you precisely manage factional values.
This is one of the reasons why programmers need to use Double Data Types.
Last but not least, you can also justify the Double status in various types of Data. For example, if you need to store long characters, you will need to declare a Long Array.