英国多数想成为托儿所保姆的人都必须参加()
置石
亲历学习
public class Car { private int wheelCount; private String vin; public Car(String vin) { this.vin = vin; this.wheelCount = 4; } public String drive() { return “zoom-zoom”; } public String getInfo() { return “VIN: “+ vin + “wheels: “+ wheelCount; } } And: public class MeGo extends Car { public MeGo(String vin) { this.wheelCount = 3; } } What two must the programmer do to correct the compilation errors?() insert a call to this() in the Car constructor。 insert a call to this() in the MeGo constructor。 insert a call to super() in the MeGo constructor。 insert a call to super(vin) in the MeGo constructor。 change the wheelCount variable in Car to protected。 change line 3 in the MeGo class to super.wheelCount = 3;。
规范性用语
在野外如何躲避沙尘暴?()