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 n

题目

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) {}

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更多“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 n”相关问题
  • 第1题:

    class super {   public float getNum() {return 3.0f;}   }   public class Sub extends Super {   }   Which method, placed at line 6, will cause a compiler error?()

    • A、 Public float getNum() {return 4.0f; }
    • B、 Public void getNum (){}
    • C、 Public void getNum (double d){}
    • D、 Public double getNum (float d) {retrun 4.0f; }

    正确答案:B

  • 第2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:A,B

  • 第3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4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5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6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7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8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9题:

    单选题
    class super {   public float getNum() {return 3.0f;}   }   public class Sub extends Super {   }   Which method, placed at line 6, will cause a compiler error?()
    A

     Public float getNum() {return 4.0f; }

    B

     Public void getNum (){}

    C

     Public void getNum (double d){}

    D

     Public double getNum (float d) {retrun 4.0f; }


    正确答案: C
    解析: 暂无解析

  • 第10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11题:

    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) {}


    正确答案: D
    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:

    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:A,B

  • 第14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:A,D

  • 第15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16题:

    现有:  interface Animal {       void eat () ;       }       //insert code here       public class HouseCat extends Feline {       public void eat() { }       }  和五个申明  abstract class Feline implements Animal { }  abstract  class  Feline  implements  Animal  {  void eat () ;  }  abstract class Feline implements Animal { public void eat();}  abstract class Feline implements Animal { public void eat() {}  }  abstract class Feline implements Animal { abstract public void eat();} 结果为:()      

    • A、1
    • B、2
    • C、3
    • D、4

    正确答案:C

  • 第17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,E

  • 第18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19题:

    public abstract class Shape {  private int x;  private int y;  public abstract void draw();  public void setAnchor(int x, int y) {  this.x = x;  this.y = y;  }  }  Which two classes use the Shape class correctly?()

    • A、 public class Circle implements Shape { private int radius; }
    • B、 public abstract class Circle extends Shape { private int radius; }
    • C、 public class Circle extends Shape { private int radius; public void draw(); }
    • D、 public abstract class Circle implements Shape { private int radius; public void draw(); }
    • E、 public class Circle extends Shape { private int radius;public void draw() {/* code here */} }
    • F、 public abstract class Circle implements Shape { private int radius;public void draw() { / code here */ } }

    正确答案:B,E

  • 第20题:

    多选题
    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: D,C
    解析: 暂无解析

  • 第21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22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23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