【简答题】How do you rectify the mistake in marine VHF communication?
【单选题】I don't know __ _. [ ]
【单选题】假设有如下接口: public interface swim { void swim(); void breathe(); } public interface walk { void walk(); void breathe(); } 下面那些类的实现是正确的
A.
class Frog: swim,walk { void swim() { Console.WriteLine("I can swim"); } void walk() { Console.WriteLine("I can walk"); } void swim.breathe() { Console.WriteLine("I can breathe while swiming"); } void walk.breathe() { Console.WriteLine("I can breathe while walking"); } }
B.
class Fish : swim { public void swim() { Console.WriteLine("I can swim"); } public void swim.breathe() { Console.WriteLine("I can breathe while swiming"); } }
C.
class Fish : swim { public void swim() { Console.WriteLine("I can swim"); } public void breathe() { Console.WriteLine("I can breathe while swiming"); } }
D.
class Frog: swim,walk { public void swim() { Console.WriteLine("I can swim"); } public void walk() { Console.WriteLine("I can walk"); } void swim.breathe() { Console.WriteLine("I can breathe while swiming"); } void breathe() { Console.WriteLine("I can breathe while walking"); } }
【单选题】以日柱天干为出发点,周围四柱干支中, 有我克但与我阴阳属性不同的关系,称为:
【简答题】intece A{ int x = 0 } class B{ int x =1 } class C extends B implements A { public void pX(){ System.out.println(x) } public static void main(String[] args) { new C().pX() } }
【单选题】以日柱天干为出发点,周围四柱干支中, 有我生但与我阴阳属性不同的关系,称为:
【单选题】I'm sorry I didn't tell you _______. [ ]
【简答题】判断下列程序是否存在问题? intece Playable{ void play(); } intece Bounceable { void Play(); } intece Rollable extends Playable,Bounceable{ Ball ball=new Ball("PingPang"); } class Ball implements Rollable{...
【单选题】public interface OilInterface { void printOil(); }
B.
void printOil();默认是私有的
C.
void printOil();默认是公有的和抽象的
D.
void printOil();默认是静态的
【简答题】完形填空。 Do you like to go camping (野营)? Do you know how to start a fire? If you don't know how to start a fire, you 1 your food, and can't sit by the side of a fire, and can't keep yourselves 2 . Long, ...