What data type is boolean in java?
The boolean data type in Java is a basic data type used to represent Boolean values, that is, true (true) or false (false). Features include that it can only take two values (true/false), occupies 1 bit of memory space, is often used in conditional judgments and loop statements; supports comparison and logical operators; and cannot be automatically converted to other data types.
Boolean data type in Java
What is boolean?
boolean is a basic data type in Java that represents a Boolean value, either true or false.
Features:
- can only take two values: true or false
- Usually used in conditional judgments and loop statements
- Occupies 1 bit of memory space
Usage:
The syntax for declaring Boolean variables is:
boolean variableName;
For example:
boolean isTrue = true; boolean isFalse = false;
Comparison operators:
The boolean data type supports the following comparison operators:
- == (equals)
- ! = (not equal to)
Logical operators:
The boolean data type also supports the following logical operators:
- && (With)
- || (or)
- ! (Negative)
Notes:
- Boolean values cannot be automatically converted to other data types and vice versa.
- You can use the
Boolean.valueOf(string)
method to convert a string into a Boolean value. - You can use the
Boolean.toString(boolean)
method to convert a Boolean value to a string.
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