LongAdder /** * 对比下高并发下 LongAdder和AtomicLong的性能 */ public class LongAdderDemo { public static void main(String[] args) throws InterruptedException { LongAdderVSAtomicLong(1, 10000000); LongAdderVSAtomicLong(10, 10000000); LongAdderVSAtomicLong(20, 10000000); L…