Differences between Java character constants and string constants

Form: Character constant is an example of a single quote: ' A '
String constants are a number of characters "HelloWorld" caused by double quotation marks
Meaning: A character constant is the equivalent of an integer value (asc| | Value), you can join the expression operation, directly take the variable to use
A string constant represents an address value (where the character is stored in memory)
Memory Size:
Character constants account for only one byte
A string constant takes up several bytes
Character constants are stored using the Char type variable.
The string is stored in an array of type char.

Type character type is char, String type
Both are constants, and differ from the way they are used

Differences between Java character constants and string constants