abstract class BaseClass { public virtual void MethodA() { } public virtual void MethodB() { } } class Class1: BaseClass { public void MethodA(string arg){ } public override void MethodB(){ } } class Class2: Class1 { new public void MethodB(){ } } class MainClass { public static void Main(string[] args) { Class2 o = new Class2(); Console.WriteLine(o.MethodA()); } } 请问,o.MethodA调用的是 A: BaseClass.MethodA B: Class2.MethodA C: Class1.MethodA D: 都不是
abstract class BaseClass { public virtual void MethodA() { } public virtual void MethodB() { } } class Class1: BaseClass { public void MethodA(string arg){ } public override void MethodB(){ } } class Class2: Class1 { new public void MethodB(){ } } class MainClass { public static void Main(string[] args) { Class2 o = new Class2(); Console.WriteLine(o.MethodA()); } } 请问,o.MethodA调用的是 A: BaseClass.MethodA B: Class2.MethodA C: Class1.MethodA D: 都不是
Which two declarations prevent the overriding of a method? () A: Final void methoda(){} B: Void final methoda(){} C: Static void methoda(){} D: Static final void methoda(){} E: Final abstract void methoda(){}
Which two declarations prevent the overriding of a method? () A: Final void methoda(){} B: Void final methoda(){} C: Static void methoda(){} D: Static final void methoda(){} E: Final abstract void methoda(){}
请说出下列程序的输出结果_____________,_____________。import java.io.IOException;public class E {public static void main(String args[]){try { methodA();}catch(IOException e){System.out.print("你好");return;}finally {System.out.println("thanks");}}public static void methodA() throws IOException{throw new IOException();}}
请说出下列程序的输出结果_____________,_____________。import java.io.IOException;public class E {public static void main(String args[]){try { methodA();}catch(IOException e){System.out.print("你好");return;}finally {System.out.println("thanks");}}public static void methodA() throws IOException{throw new IOException();}}
给出下列程序的输出结果。import java.io.IOException;public class E {public static void main(String args[]){int m =10;try {methodA();m = 100;}catch(IOException e){m = 1000;}System.out.println(m);}public static void methodA() throws IOException{throw new IOException();}}
给出下列程序的输出结果。import java.io.IOException;public class E {public static void main(String args[]){int m =10;try {methodA();m = 100;}catch(IOException e){m = 1000;}System.out.println(m);}public static void methodA() throws IOException{throw new IOException();}}
import java.io.IOException; public class ExceptionTest( public static void main (String[]args) try ( methodA(); ) catch (IOException e) ( system.out.printIn(“Caught IOException”); ) catch (Exception e) ( system.out.printIn(“Caught Exception”); ) ) public void methodA () { throw new IOException (); } What is the result?() A: The code will not compile. B: The output is caught exception. C: The output is caught IOException. D: The program executes normally without printing a message.
import java.io.IOException; public class ExceptionTest( public static void main (String[]args) try ( methodA(); ) catch (IOException e) ( system.out.printIn(“Caught IOException”); ) catch (Exception e) ( system.out.printIn(“Caught Exception”); ) ) public void methodA () { throw new IOException (); } What is the result?() A: The code will not compile. B: The output is caught exception. C: The output is caught IOException. D: The program executes normally without printing a message.
选出下列句中的定语On the third lap are Class 1 and Class 3. A: the third B: lap C: are D: Class 1 and Class 3
选出下列句中的定语On the third lap are Class 1 and Class 3. A: the third B: lap C: are D: Class 1 and Class 3
蓝牙通信距离包含三个等级分别是? A: class 1 10米 B: class 1 100米 C: class 2 10米 D: class 3 2-3米
蓝牙通信距离包含三个等级分别是? A: class 1 10米 B: class 1 100米 C: class 2 10米 D: class 3 2-3米
class A{ public void method(){} public void methodA(){}} class B extends A{ public void method(){} public void methodB(){} }<br/>则若有 A a = new B();a.methodB();下列说法正确的是() A: 执行类A的方法method B: 执行类B的方法methodB C: 编译通过,无法执行 D: 编译出错
class A{ public void method(){} public void methodA(){}} class B extends A{ public void method(){} public void methodB(){} }<br/>则若有 A a = new B();a.methodB();下列说法正确的是() A: 执行类A的方法method B: 执行类B的方法methodB C: 编译通过,无法执行 D: 编译出错
What class are you in? A: I am in class now. B: I am in Primary 1/3. C: He is from Primary 1/3. D: My class Primary 1/3.
What class are you in? A: I am in class now. B: I am in Primary 1/3. C: He is from Primary 1/3. D: My class Primary 1/3.
I _________see a football match between Class 1 and Class 3 tomorrow.
I _________see a football match between Class 1 and Class 3 tomorrow.