How many bytes does a character occupy in Java?

Java character type char occupies 2 direct because he is Unicode encoded
Java simple data type
Simple type size range/precision 
float 4 byte 32-bit IEEE 754 single precision 
double 8 byte 64-bit IEE E 754 Double byte 
1 byte-128 to 127 short 
2 bytes-32,768 to 32,767 
int 4 bytes-2,147,483,648 to 2,147,483,647 
long 8 bytes -9,22 3,372,036,854,775,808 to 9,223,372,036, 854,775,807 
char 2 byte entire Unicode character set 
Boolean 1-bit true or false

Number of bytes in Java for strings in different character encodings