Java Reference
In-Depth Information
* Main program, test driver for ThreadsDemo2 class.
*/
public
public static
static
void
void
main
(
String
[]
argv
) {
new
new
ThreadsDemo2
(
"Hello from X"
,
10
);
new
new
ThreadsDemo2
(
"Hello from Y"
,
15
);
}
/**
* Construct a ThreadsDemo2 object
* @param m Message to display
* @param n How many times to display it
*/
public
public
ThreadsDemo2
(
String m
,
int
int
n
) {
count
=
n
;
mesg
=
m
;
t
=
new
this
);
t
.
setName
(
m
+
" runner Thread"
);
t
.
start
();
new
Thread
(
this
}
/** Run does the work. We override the run() method in Runnable. */
public
public
void
void
run
() {
while
while
(
count
-- >
0
) {
System
.
out
.
println
(
mesg
);
try
try
{
Thread
.
sleep
(
100
);
// 100 msec
}
catch
catch
(
InterruptedException e
) {
return
return
;
}
}
System
.
out
.
println
(
mesg
+
" thread all done."
);
}
}
is a version of this class that uses an inner class to provide the
run()
method.
Example 22-3. ThreadsDemo3.java
public
public class
class
ThreadsDemo3
ThreadsDemo3
{
private
private
Thread t
;
private
private
int
int
count
;
/**
* Main program, test driver for ThreadsDemo3 class.
*/
