March 2002
Intermediate to advanced
496 pages
8h 51m
English
Content preview from Design Patterns Java™ Workbook
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Introducing Extensions (Chapter 26)
| SOLUTION 26.1 | The complete code should look something like:
package com.oozinoz.machine;
import java.util.*;
public class BinStack
{
public static final int STACK_LIMIT = 3;
private Stack stack = new Stack();
synchronized public Bin pop()
{
while (stack.size() == 0)
{
try
{
wait();
Thread.sleep(500);
}
catch (InterruptedException ignore)
{
}
}
if (stack.size() == STACK_LIMIT)
{
notify();
}
return (Bin) stack.pop();
}
synchronized public void push(Bin b)
{
while (stack.size() == STACK_LIMIT)
{
try
{
wait();
Thread.sleep(500);
}
catch (InterruptedException ignore)
{
}
}
if (stack.size() == 0)
{
notify();
}
stack.push(b);
}
public int size()
{
return stack.size();
}
}
|
| SOLUTION 26.2 | The call to notify() in the ... |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.