List the main data types provided in Java and organize the characteristics of each type.
--Beginner Java Engineer
Data handled by programming languages is classified into several types, and rules such as names, characteristics, ranges, handling methods, notations, and recording methods on memory are defined for each type.
Source: [What is a data type? --IT Glossary e-Words](http://e-words.jp/w/%E3%83%87%E3%83%BC%E3%82%BF%E5% 9E% 8B.html)
To clarify the use of data.
| Data type | value | Remarks |
|---|---|---|
| boolean | true(true)or fake(false) | Logical type |
| char | 16-bit Unicode characters | * Not a character string |
| String | String | |
| byte | 8-bit integer | -128～127 |
| short | 16-bit integer | -32,768～32,767 |
| int | 32-bit integer | -2,147,483,648～2,147,483,647 |
| long | 64-bit integer | -9,223,372,036,854,775,808～9,223,372,036,854,775,807 |
| float | 32-bit single precision floating point number | |
| double | 64-bit single precision floating point number |
One of the international industry standards for character codes, which records characters in various languages around the world, assigns serial numbers, and allows them to be used under the same code system.
Quote: What is Unicode-IT Glossary e-Words
A character as a symbol is called a "character", and a collection of characters is called a "character string".
The smallest unit of information, the amount of information that identifies one of two options. The etymology is called "binary digit", and it is expressed as a single digit of a binary number that takes either 0 or 1 in computers and the like. Replacing all information with bit strings and handling it is called "digital".
Quote: What is Bit--IT Glossary e-Words
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