public class HelloWorld{ }
public static void main
(String[] args)
System.out.println("hello java");
public public public public
class class class class
static static static static
void void void void
main main main main
String String String String
{} {} {} {} {}
; ; ; ; ; ; ;
"" "" "" "" ""
[] [] [] [] []
() () () () ()
byte byte byte byte
short short short short
int int int int
long long long long
float float float float
double double double double
char char char char
boolean boolean boolean
final final final
Scanner Scanner Scanner
import import import
if if if if
switch switch switch
for for for
while while while
do do do
public class static void byte short int long char float double boolean if else switch
case break default import while do for new true false null return this package continue
catch final try throw finally private interface transient implements synchronized protecte
d native super extends instanceof thread abstract
public class static void byte short int long char float double boolean if else switch
case break default import while do for new true false null return this package continue
catch final try throw finally private interface transient implements synchronized protecte
d native super extends instanceof thread abstract
public class static void byte short int long char float double boolean if else switch
case break default import while do for new true false null return this package continue
catch final try throw finally private interface transient implements synchronized protecte
d native super extends instanceof thread abstract