1.结论:
子类 instanceof 父类 == true
父类 instanceof 子类 == false
2.测试代码
@Test public void testInstanceof() { // 子类 instanceof 父类 ConsultSmsPatientDataBO sub = new ConsultSmsPatientDataBO(); boolean one = sub instanceof ConsultSmsDataBO; // one = true // 父类 instanceof 子类 ConsultSmsDataBO par = new ConsultSmsDataBO(); boolean two = par instanceof ConsultSmsPatientDataBO; // two = false }