当从服务器接收数据消息时,将显示此错误日志:
E/AndroidRuntime:致命异常:主要进程: com.sample.test,PID: 30964 com.huawei.hms.rn.push.remote.HmsPushMessageService:1101) to : java.lang.NullPointerException:尝试调用com.huawei.hms.rn.push.logger.HMSLogger.setupEventMap(HMSLogger.java:292) at com.h
// This code lets the computer select the first random number from your arraySystem.out.println("Computer's Value: " + rn1);
// This code letsthe computer select the second random numbe
嗨,我正在从java应用程序调用SQL quires,因为表需要大量数据从java端处理。现在我正在调用1000×1000记录。SELECT t1.col1,t1.col2,t2.col1,t2.col2 FROM(SELECT rownum AS rn,t1.col2,t2.col2 FROMtable1 t1,t1.col2,t2.col2 FROM