提供多线程或任务创建

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Counter {
    private int count = 0;
    private final Lock lock = new ReentrantLock();

    public void increment() {
        lock.lock();
        try {
            count++;
        } finally {
            lock.unlock();
        }
    }

    public int getCount() {
        return count;
    }
}

public class DeadlockExample {
    private final Object resource1 = new Object();
    private final Object resource2 = new Object();

    public void method1() {
        synchronized (resource1) {
            System.out.println("Thread " + Thread.currentThread().getName() + " acquired resource1");
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            synchronized (resource2) {
                System.out.println("Thread " + Thread.currentThread().getName() + " acquired resource2");
            }
        }
    }

    public void method2() {
        synchronized (resource2) {
            System.out.println("Thread " + Thread.currentThread().getName() + " acquired resource2");
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            synchronized (resource1) {
                System.out.println("Thread " + Thread.currentThread().getName() + " acquired resource1");
            }
        }
    }
}