The method assertEquals(double, double) from the type Assert is deprecated从网上下载的视频,看着视频做。居然和人家的不一样。assertEquals(doubleexpected,doubleactul)被废弃了,换成assertEquals(doubleexpected,doubleactul,doubledelta)也就是在原来的方法上加一个误差值(double类型)官方解释为:@Deprecatedstaticpublicvoi