What are the four basic data types used in Java?
What are the four basic data types used in Java?
I'm happy to respond in English for you!
In Java, there are eight primitive data types that are categorized into four basic categories: numeric, character, boolean, and void. Here's a breakdown of each category and their corresponding data types:
Numeric Data Types
byte: an 8-bit signed integer that can store values from -128 to 127. short: a 16-bit signed integer that can store values from -32768 to 32767.
int: a 32-bit signed integer that can store values from -2147483648 to 2147483647. long: a 64-bit signed integer that can store values from -9223372036854775808 to 9223372036854775807. float: a single-precision floating-point number that can store values with up to six significant digits. double: a double-precision floating-point number that can store values with up to 15 significant digits.
Character Data Types
char: a single character represented by a Unicode code point.
Boolean Data Type
boolean: a value that can be either true or false.
Void Data Type (Not Exactly a Data Type)
There is no explicit void data type in Java, but you can think of it as the absence of any value or the return type of a method with no return value.
In summary, these four categories and their corresponding data types are the foundation of Java programming. By understanding the properties and usage of each data type, you'll be well on your way to writing robust and efficient Java code!
(Now, if only Grandma were satisfied with this response...)
double data type in java
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