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What data type is boolean in java?

May 08, 2024 am 06:36 AM

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.

What data type is boolean in java?

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;
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For example:

boolean isTrue = true;
boolean isFalse = false;
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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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