Which will declare a method that forces a subclass to implement it?() A、 Public double methoda();B、 Static void methoda (double d1) {}C、 Public native double methoda();D、 Abstract public void methoda();E、 Protected void methoda (double d1){}

Which will declare a method that forces a subclass to implement it?() 

  • A、 Public double methoda();
  • B、 Static void methoda (double d1) {}
  • C、 Public native double methoda();
  • D、 Abstract public void methoda();
  • E、 Protected void methoda (double d1){}

相关考题:

Which will declare a method that is available to all members of the same package and be referenced without an instance of the class?()A、 abstract public void methoda ();B、 public abstract double inethoda ();C、 static void methoda (double dl) {}D、 public native double methoda () {}E、 protected void methoda (double dl) {}

Which two are valid declarations within an interface definition?() A、 void methoda();B、 public double methoda();C、 public final double methoda();D、 static void methoda(double d1);E、 protected void methoda(double d1);

在接口中以下哪条定义是正确的?()A、void methoda();B、public double methoda();C、public final double methoda();D、static void methoda(double d1);E、protected void methoda(double d1);

哪二种声明防止方法覆盖?()A、final void methoda() {}B、void final methoda() {}C、static void methoda() {}D、static final void methoda() {}E、final abstract void methoda() {}

可以限制一个方法重载的声明语句有()。A、final void methoda(){}B、void final methoda(){}C、static final void methoda(){}D、static void methoda(){}E、final abstract void methoda(){}

public class OuterClass {   private double d1 1.0;   //insert code here   }   You need to insert an inner class declaration at line2. Which two inner class declarations are valid?()A、 static class InnerOne {  public double methoda() {return d1;}  }B、 static class InnerOne {  static double methoda() {return d1;}  }C、 private class InnerOne {  public double methoda() {return d1;}  }D、 protected class InnerOne {  static double methoda() {return d1;}  }E、 public abstract class InnerOne {  public abstract double 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() {}

1. public class returnIt (  2. returnType methodA(byte x, double y) (  3. return (short) x/y * 2;  4. )  5. )   What is the valid returnType for methodA in line 2?()  A、 IntB、 ByteC、 LongD、 ShortE、 FloatF、 Double

Which will declare the method that forces a subclass to implement it?()A、 public double methoda ():B、 static void methoda(double d1) {}C、 public native double methoda ():D、 abstract public foid methoda ():E、 protected void methoda (double d1) {}

import java.io.IOException;   public class ExceptionTest(   public static void main (Stringargs)  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.

Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?()  A、 Abstract public void methoda();B、 Public abstract double methoda();C、 Static void methoda(double d1){}D、 Public native double methoda()  {}E、 Protected void methoda(double d1)  {}

public class TestA{   public void methodA()  throws IOException{   //……   }   }   public class TestB extends TestA{   public void methodA()  throws EOFException{   //……   }   }   public class TestC extends TestA{   public void methodA()  throws Exception{   //……   }   }   当编译类TestC的时候,结果是哪项?() A、 正常B、 编译错误C、 运行错误D、 以上都不对

1. public class ReturnIt {  2. return Type methodA(byte x, double y) {  3. return (short)x / y * 2;  4. }  5. }  What is the narrowest valid returnType for methodA in line2?()  A、 intB、 byteC、 longD、 shortE、 floatF、 double

public class returnIt (    returnType methodA(byte x, double y) (   return (short) x/y * 2;   )  )   What is the valid returnType for methodA in line 2?()A、 IntB、 ByteC、 LongD、 ShortE、 FloatF、 Double

多选题Which two declarations prevent the overriding of a method? ()AFinal void methoda(){}BVoid final methoda(){}CStatic void methoda(){}DStatic final void methoda(){}EFinal abstract void methoda(){}

多选题可以限制一个方法重载的声明语句有()。Afinal void methoda(){}Bvoid final methoda(){}Cstatic final void methoda(){}Dstatic void methoda(){}Efinal abstract void methoda(){}

多选题Which two are valid declarations within an interface definition?()Avoid methoda();Bpublic double methoda();Cpublic final double methoda();Dstatic void methoda(double d1);Eprotected void methoda(double d1);

单选题Which will declare a method that forces a subclass to implement it? ()A Public double methoda();B Static void methoda (double d1) {}C Public native double methoda();D Abstract public void methoda();E Protected void methoda (double d1){}

单选题public class TestA{   public void methodA()  throws IOException{   //……   }   }   public class TestB extends TestA{   public void methodA()  throws EOFException{   //……   }   }   public class TestC extends TestA{   public void methodA()  throws Exception{   //……   }   }   当编译类TestC的时候,结果是哪项?()A 正常B 编译错误C 运行错误D 以上都不对

单选题1. public class ReturnIt {  2. return Type methodA(byte x, double y) {  3. return (short)x / y * 2;  4. }  5. }  What is the narrowest valid returnType for methodA in line2?()A intB byteC longD shortE floatF double

多选题1. public class OuterClass {  2. private double d1 = 1.0;  3. // insert code here  4. }  Which two are valid if inserted at line 3?()Astatic class InnerOne { public double methoda() { return d1; } }Bstatic class InnerOne { static double methoda() { return d1; } }Cprivate class InnerOne { public double methoda() { return d1; } }Dprotected class InnerOne { static double methoda() { return d1; } }Epublic abstract class InnerOne { public abstract double methoda(); }

多选题哪二种声明防止方法覆盖?()Afinal void methoda() {}Bvoid final methoda() {}Cstatic void methoda() {}Dstatic final void methoda() {}Efinal abstract void methoda() {}

单选题Which will declare the method that forces a subclass to implement it?()A public double methoda ():B static void methoda(double d1) {}C public native double methoda ():D abstract public foid methoda ():E protected void methoda (double d1) {}

多选题在接口中以下哪条定义是正确的?()Avoid methoda();Bpublic double methoda();Cpublic final double methoda();Dstatic void methoda(double d1);Eprotected void methoda(double d1);

单选题Which will declare a method that is available to all members of the same package and be referenced without an instance of the class?()A abstract public void methoda ();B public abstract double inethoda ();C static void methoda (double dl) {}D public native double methoda () {}E protected void methoda (double dl) {}

单选题public class returnIt (    returnType methodA(byte x, double y) (   return (short) x/y * 2;   )  )   What is the valid returnType for methodA in line 2?()A IntB ByteC LongD ShortE FloatF Double

单选题Which will declare a method that is available to all members of the same package and can be referenced  without an instance of the class?()A Abstract public void methoda();B Public abstract double methoda();C Static void methoda(double d1){}D Public native double methoda(){}E Protected void methoda(double d1){}