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Added source files (Programmieren Tutorium)

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Martin Thoma 2013-11-05 19:39:03 +01:00
parent 1be8f17cc0
commit ad81fa802b
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presentations/Programmieren-Tutorium/Tutorium-13/AnswerMain.java Normal file
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import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
public class Main {
public static final int BIG_NR = 2000000;
public static AtomicLong bigSum = new AtomicLong();
public static void main(String[] args) {
List<Thread> threads = new ArrayList<Thread>();
for (int i = 0; i < 50; i++) {
Runnable task = new Sum(BIG_NR);
Thread worker = new Thread(task);
worker.start();
threads.add(worker);
}
int running = 0;
do {
running = 0;
for (Thread thread : threads) {
if (thread.isAlive()) {
running++;
}
}
System.out.println("Remaining threads: " + running);
} while (running > 0);
System.out.println(Main.bigSum);
}
}