Как избавить от deadlock через Lock

public class SimpleDeadLock {
    public static void main(String [] args) throws InterruptedException {
        final Integer integer1 = new Integer(1);
        final Integer integer2 = new Integer(2);
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    foo (integer1,integer2);
                } catch (InterruptedException e) {
                    e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
                }
            }
        }).start();
        foo(integer2,integer1);
    }
    public static void foo(Integer integer1, Integer integer2) throws InterruptedException {
        System.out.println("Thread with id="+Thread.currentThread().getId()+" inside foo");
        synchronized (integer1){
            System.out.println("Thread with id="+Thread.currentThread().getId()+" inside first sync");
            Thread.sleep(100);
            synchronized (integer2){
               System.out.println("Thread with id="+Thread.currentThread().getId()+" inside both sync");
            }
        }
    }
}

public class SimpleDeadLock {
    public static void main(String[] args) throws InterruptedException {
        final Integer integer1 = new Integer(1);
        final Integer integer2 = new Integer(2);
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    foo(integer1, integer2);
                } catch (InterruptedException e) {
                    e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
                }
            }
        }).start();
        foo(integer2, integer1);
    }
 
    public static void foo(Integer integer1, Integer integer2) throws InterruptedException {
        System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside foo");
        Lock lock = new ReentrantLock();
        lock.lock();
        try {
            System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside try before sleep");
            Thread.sleep(100);
            System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside try after sleep");
        } finally {
            lock.unlock();
        }
    }
}

 public static void foo(Integer integer1, Integer integer2) throws InterruptedException {
        System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside foo");
        synchronized (integer1<integer2? integer1:integer2 ) {
            System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside first sync");
            Thread.sleep(100);
            synchronized (integer1<integer2? integer2:integer1 ) {
                System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside both sync before sleep");
                Thread.sleep(100);
                System.out.println("Thread with id=" + Thread.currentThread().getId() + " inside both sync after sleep");
            }
        }
    }