创建如下三个类:(People类中的三个方法分别输出一些信息,ChinaPeople 和AmericanPeople类重写父类的三个方法). ackage com.chuoji.text01; public class People { protected double height; protected double weight; public double getHeight() { return height; } public void setHeight(double height)
使用spark-submit提交local任务时,会输出很多Info信息: ------------------------------------------- Time: ms ------------------------------------------- // :: INFO scheduler.JobScheduler: Finished job streaming job ms. ms // :: INFO scheduler.JobScheduler: Total delay