Keyword | Meaning | See Chapter |
|---|
abstract | an abstract class or method | 5 |
assert | used to locate internal program errors | 11 |
boolean | the Boolean type | 3 |
break | breaks out of a switch or loop | 3 |
byte | the 8-bit integer type | 3 |
case | a case of a switch | 3 |
catch | the clause of a try block catching an exception | 11 |
char | the Unicode character type | 3 |
class | defines a class type | 4 |
const | not used | |
continue | continues at the end of a loop | 3 |
default | the default clause of a switch | 3 |
do | the top of a do/while loop | 3 |
double | the double-precision floating-number type | 3 |
else | the else clause of an if statement | 3 |
extends | defines the parent class of a class | 4 |
final | a constant, or a class or method that cannot be overridden | 5 |
finally | the part of a try block that is always executed | 11 |
float | the single-precision floating-point type | 3 |
for | a loop type | 3 |
goto | not used | |
if | a conditional statement | 3 |
implements | defines the interface(s) that a class implements | 6 |
import | imports a package | 4 |
instanceof | tests if an object is an instance of a class | 5 |
int | the 32-bit integer type | 3 |
interface | an abstract type with methods that a class can implement | 6 |
long | the 64-bit long integer type | 3 |
native | a method implemented by the host system (see Volume 2) | |
new | allocates a new object or array | 3 |
null | a null reference | 3 |
package | a package of classes | 4 |
private | a feature that is accessible only by methods of this class | 4 |
protected | a feature that is accessible only by methods of this class, its children, and other classes in the same package | 5 |
public | a feature that is accessible by methods of all classes | 4 |
return | returns from a method | 3 |
short | the 16-bit integer type | 3 |
static | a feature that is unique to its class, not to objects of its class | 3 |
strictfp | Use strict rules for floating-point computations | 2 |
super | the superclass object or constructor | 5 |
switch | a selection statement | 3 |
synchronized | a method that is atomic to a thread (see Volume 2) | |
this | the implicit argument of a method, or a constructor of this class | 4 |
throw | throws an exception | 11 |
throws | the exceptions that a method can throw | 11 |
transient | marks data that should not be persistent | 12 |
try | a block of code that traps exceptions | 11 |
void | denotes a method that returns no value | 3 |
volatile | Ensure that a field is coherently accessed by multiple threads | Volume 2 |
while | a loop | 3 |
