线程不安全示例

• 代码示例

package io.alex.concurrent.basiclogic;

import java.util.concurrent.TimeUnit;

public class UnsafeCounter {
    private int count = 0;

    public void increment() {
        count++;
    }

    public int getCount() {
        return count;
    }

    public static void main(String[] args) throws InterruptedException {
        UnsafeCounter counter = new UnsafeCounter();

        Thread thread1 = new Thread(() -> {
            for (int i = 0; i < 1000; i++) {
                try {
                    TimeUnit.MICROSECONDS.sleep(10);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                counter.increment();
            }
        });

        Thread thread2 = new Thread(() -> {
            for (int i = 0; i < 1000; i++) {
                try {
                    TimeUnit.MICROSECONDS.sleep(10);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                counter.increment();
            }
        });

        thread1.start();
        thread2.start();
        thread1.join();
        thread2.join();

        System.out.println("Final count: " + counter.getCount());
    }
}