Contents - Cultural View

Java syntax 176
[1] Keyword was introduced in J2SE 1.4
[2] Keyword is not used
[3] Keyword was introduced in J2SE 5.0
[4] Keyword was introduced in J2SE 1.2
Literals
abstract continue for new switch
assert [1] default
goto [2] package synchronized
boolean do if private this
break double implements protected throw
byte else import public throws
case
enum [3] instanceof return transient
catch extends int short try
char final interface static void
class finally long
strictfp [4] volatile
const [2] float native super while
octal 0365, 0[0..7]*
Integers
hexadecimal 0xF5, 0x[0..9, A..F, a..f]*
decimal 245, [1..9][0..9]*
Floating-point values
float 23.5F, 23.5f; 1.72E3F, 1.72E3f, 1.72e3F, 1.72e3f
double 23.5, 23.5D, 23.5d; 1.72E3, 1.72E3D, ...
Character literals
char 'a', 'Z', '\u0231'
boolean true, false
null reference null
String "Hello, world"
Boolean literals
null literal
String literals
Characters escapes in strings
Unicode character \u followed by the hexadecimal unicode code point (up to \uFFFF)
Octal escape Octal number not exceeding 377, preceded by backslash (e.g. \352)
Line feed \n
Carriage return \r
Form feed \f
Backslash \\
Single quote \'