IdGenerator { public String simpleUUID() { return IdUtil.simpleUUID(); }  synchronized String batchId(int tenantId, int module); @Deprecated synchronized String getBatchId(int tenantId, int module); String simpleUUID(); String randomUUID(); synchronized long snowflakeId(); synchronized long snowflakeId(long workerId, long dataCenterId); String objectId();  }
@Test public void testSimpleUUID() { for (int i = 0; i < 100; i++) { String simpleUUID = idGenerator.simpleUUID(); System.out.println("simpleUUID: " + simpleUUID); } }