package com.ljw.HelloJava;

import java.util.concurrent.TimeUnit;
import java.util.function.Predicate;

public class ABCThreads {
private static Integer index = 0;
private static Integer max = 6;
private static Object lock = new Object();

public static void main(String[] args) {

Thread a = getThread(i -> i % 3 == 0, "A");
Thread b = getThread(i -> i % 3 == 1, "B");
Thread c = getThread(i -> i % 3 == 2, "C");
a.start();
b.start();
c.start();

}

private static Thread getThread(Predicate<Integer> condition, String value) {
return new Thread(() -> {
while (true) {
synchronized (lock) {
while (!condition.test(index)) {
try {
lock.wait();
} catch (InterruptedException e) {
System.out.println(e.getMessage());
}
}
if (index >= max) {
return;
}
System.out.printf("index:%s,value:%s\n", index, value);
index++;
lock.notifyAll();
}
}
});
}
}