IntUtils.java

package com.viontech.utils;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * .
 *
 * @author 谢明辉
 * @date 2020/8/26
 */

public class IntUtils {
    private static final AtomicInteger atomicInteger = new AtomicInteger();


    public static synchronized Integer next() {
        int num = atomicInteger.getAndIncrement();
        if (num == Integer.MAX_VALUE) {
            atomicInteger.set(0);
        }
        return num;
    }


}