单选题Which will declare the method that forces a subclass to implement it?()Apublic double methoda ():Bstatic void methoda(double d1) {}Cpublic native double methoda ():Dabstract public foid methoda ():Eprotected void methoda (double d1) {}

题目
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) {}


相似考题
更多“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) {}”相关问题
  • 第1题:

    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(){}

    正确答案:A,C

  • 第2题:

    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() {}

    正确答案:A,D

  • 第3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) {}

    正确答案:D

  • 第4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

    正确答案:B

  • 第5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、 Int
    • B、 Byte
    • C、 Long
    • D、 Short
    • E、 Float
    • F、 Double

    正确答案:F

  • 第6题:

    多选题
    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(){}


    正确答案: E,D
    解析: 暂无解析

  • 第7题:

    多选题
    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(){}


    正确答案: A,C
    解析: 暂无解析

  • 第8题:

    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){}


    正确答案: B
    解析: 暂无解析

  • 第9题:

    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

     int

    B

     byte

    C

     long

    D

     short

    E

     float

    F

     double


    正确答案: C
    解析: 暂无解析

  • 第10题:

    多选题
    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() {}


    正确答案: C,B
    解析: 暂无解析

  • 第11题:

    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) {}


    正确答案: A
    解析: 暂无解析

  • 第12题:

    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){}


    正确答案: C
    解析: 暂无解析

  • 第13题:

    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();  }

    正确答案:C,E

  • 第14题:

    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、 Int
    • B、 Byte
    • C、 Long
    • D、 Short
    • E、 Float
    • F、 Double

    正确答案:F

  • 第15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)  {}

    正确答案:C

  • 第16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、 int
    • B、 byte
    • C、 long
    • D、 short
    • E、 float
    • F、 double

    正确答案:F

  • 第17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){}

    正确答案:D

  • 第18题:

    单选题
    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

     Int

    B

     Byte

    C

     Long

    D

     Short

    E

     Float

    F

     Double


    正确答案: E
    解析: 暂无解析

  • 第19题:

    多选题
    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);


    正确答案: B,C
    解析: 暂无解析

  • 第20题:

    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


    正确答案: B
    解析: 暂无解析

  • 第21题:

    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?()
    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(); }


    正确答案: C,A
    解析: 暂无解析

  • 第22题:

    多选题
    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);


    正确答案: E,A
    解析: 暂无解析

  • 第23题:

    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

     Int

    B

     Byte

    C

     Long

    D

     Short

    E

     Float

    F

     Double


    正确答案: C
    解析: 暂无解析