Threads 101
By Chuck Allison, June 01, 2001
Using multiple threads can make your programs more responsive and your code cleaner, but getting them to work correctly can be tricky. Java makes the task (pun intended) as easy as possible and is the first language to offer portable threading support.
Java Solutions June 2001/import java.*/Listing 12
class MyThread extends Thread
{
private int delay;
private int count;
public MyThread(String msg, int delay, int count)
{
super(msg); // Optional thread name
this.delay = delay;
this.count = count;
}
public void run()
{
for (int i = 0; i < count; ++i)
{
try
{
Thread.sleep(delay);
display(getName());
}
catch (InterruptedException x)
{
// Won't happen in this example
}
}
}
synchronized static void display(String s)
{
for (int i = 0; i < s.length(); ++i)
System.out.print(s.charAt(i));
System.out.println();
}
}
class StaticLock
{
public static void main(String[] args)
{
Thread t1 = new MyThread("DessertTopping", 100, 8);
Thread t2 = new MyThread("FloorWax", 200, 4);
t1.start();
t2.start();
}
}
/* Output:
DessertTopping
FloorWax
DessertTopping
DessertTopping
FloorWax
DessertTopping
DessertTopping
FloorWax
DessertTopping
DessertTopping
FloorWax
DessertTopping
*/
— End of Listing —
