给定如下代码，下面可以作为该类的构造函数的是（）public class Test {} A: A.public void Test(){} B: B.public Test() {} C: C.public static Test(){} D: D.public static void Test(){}

阅读以下程序class A{protected: int a=0;public: A(){a=1;}};class B:virtual public A{public: B(){a++;}};class C:virtual public A{public: C(){a+=2;}};class D:public B,public C{public: void print(){ cout< A: 0 B: 1 C: 3 D: 4

Except __________, there are three public utilities. A: public water service B: public gas service C: public heat service D: public electricity service

Which two allow the class Thing to be instantiated using new Thing（）？ A:  public class Thing { } B:  public class Thing { public Thing（） {} } C:  public class Thing { public Thing（void） {} } D:  public class Thing { public Thing（String s） {} } E:  public class Thing { public void Thing（） {} public Thing（String s） {} }

_______ are similar to Bank holidays in England, which are established by law. A: Public Festivals B: Public celebrations C: Public holidays D: Public activities

() the truth, I don't like to be laughed at (). A: Tell; public B: To tell; in public C: Telling; in public D: I tell; the public

public class Dog(){...}下列哪个选项可以是Dog类的构造方法 A: public Dog(){ } B: public void Dog(){ } C: public dog(){ } D: public void dog(){ }

接口中的方法默认的修饰符为（） A: public static B: public static final C: public final D: public staic

default private public 访问权限逐渐扩大的正确顺序 A: private default public B: public default private C: default private public

以下哪个选项可以创建目录？ A: public Boolean mkdir() B: public String [] list() C: public File [] listFiles() D: public Int List()