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package com;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;
public class Main {
public static void main(String[] args){
ReentrantLock r1= new ReentrantLock();
Condition c = r1.newCondition();
Condition c2 = r1.newCondition();
new Thread(new Runnable() {
@Override
public void run(){
try {
r1.lock();
for (int i = 1; i <=52 ; i++) {
System.out.print(i);
if (i%2==0){
c.signalAll();
try {
c2.await();
}catch (InterruptedException e){
e.printStackTrace();
}
}
}
}finally {
r1.unlock();
}
}
}).start();
new Thread(new Runnable() {
@Override
public void run(){
try {
r1.lock();
for (int i = 0; i <26 ; i++) {
System.out.print((char)('A'+i)+" ");
c2.signalAll();
try {
if (i!=25){
c.await();
}
}catch (InterruptedException e){
e.printStackTrace();
}
}
}finally {
r1.unlock();
}
}
}).start();
}
}