多选题Which the three are valid declarations of a float?()Afloat foo = -1;Bfloat foo = 1.0;Cfloat foo = 42el:Dfloat foo = 2.02f:Efloat foo = 3.03d:

题目
多选题
Which the three are valid declarations of a float?()
A

float foo = -1;

B

float foo = 1.0;

C

float foo = 42el:

D

float foo = 2.02f:

E

float foo = 3.03d:


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更多“多选题Which the three are valid declarations of a float?()Afloat foo = -1;Bfloat foo = 1.0;Cfloat foo = 42el:Dfloat foo = 2.02f:Efloat foo = 3.03d:”相关问题
  • 第1题:

    Which JSP standard action can be used to import content from a resource called foo.jsp?()

    • A、<jsp:import file=’foo.jsp’ />
    • B、<jsp:import page=’foo.jsp’ />
    • C、<jsp:include page=’foo.jsp’ />
    • D、<jsp:include file=’foo.jsp’ />

    正确答案:C

  • 第2题:

    下列选项中,能有效地描述浮点数的有()。

    • A、Float foo = -1;
    • B、Float foo = 1.0;
    • C、Float foo = 42e1;
    • D、Float foo = 2.02f;
    • E、Float foo = 3.03d;
    • F、Float foo = 0x0123;

    正确答案:A,D,F

  • 第3题:

    console.log(foo);varfoo="foo!";console.log(foo);执行上面代码,控制台会输出()。

    • A、undefined undefined
    • B、foo! undefined
    • C、undefined foo!
    • D、foo! fool!

    正确答案:C

  • 第4题:

    class One {   public One foo() { return this; }  }  class Two extends One {  public One foo() { return this; }  }  class Three extends Two {   // insert method here  }  Which two methods, inserted individually, correctly complete the Three class?()

    • A、 public void foo() { }
    • B、 public int foo() { return 3; }
    • C、 public Two foo() { return this; }
    • D、 public One foo() { return this; }
    • E、 public Object foo() { return this; }

    正确答案:C,D

  • 第5题:

    public class Foo {  private int val;  public foo(int v) (val = v;)  }  public static void main (String [] args)  {  Foo a = new Foo (10);  Foo b = new Foo (10);  Foo c = a;  int d = 10;  double e = 10.0;  }  Which three logical expression evaluate to true?()

    • A、 (a ==c)
    • B、 (d ==e)
    • C、 (b ==d)
    • D、 (a ==b)
    • E、 (b ==c)
    • F、 (d ==10.0)

    正确答案:A,B,F

  • 第6题:

    Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()

    • A、 public void foo() { /* more code here */ }
    • B、 private void foo() { /* more code here */ }
    • C、 protected void foo() { /* more code here */ }
    • D、 int foo() { /* more code here */ }  
    • E、 void foo() { /* more code here */ }

    正确答案:A,C,E

  • 第7题:

    多选题
    Which two are valid declarations of a float?()
    A

    float f = 1F;

    B

    float f = 1.0.;

    C

    float f = ‘1’;

    D

    float f = “1”;

    E

    float f = 1.0d;


    正确答案: A,D
    解析: 暂无解析

  • 第8题:

    多选题
    下列选项中,能有效地描述浮点数的有()。
    A

    Float foo = -1;

    B

    Float foo = 1.0;

    C

    Float foo = 42e1;

    D

    Float foo = 2.02f;

    E

    Float foo = 3.03d;

    F

    Float foo = 0x0123;


    正确答案: C,B
    解析: 暂无解析

  • 第9题:

    多选题
    public class Foo {  private int val;  public foo(int v) (val = v;)  }  public static void main (String [] args)  {  Foo a = new Foo (10);  Foo b = new Foo (10);  Foo c = a;  int d = 10;  double e = 10.0;  }  Which three logical expression evaluate to true?()
    A

    (a ==c)

    B

    (d ==e)

    C

    (b ==d)

    D

    (a ==b)

    E

    (b ==c)

    F

    (d ==10.0)


    正确答案: A,C
    解析: 暂无解析

  • 第10题:

    多选题
    Which the three are valid declarations of a float?()
    A

    float foo = -1;

    B

    float foo = 1.0;

    C

    float foo = 42el:

    D

    float foo = 2.02f:

    E

    float foo = 3.03d:


    正确答案: C,D
    解析: 暂无解析

  • 第11题:

    多选题
    class One {   public One foo() { return this; }  }  class Two extends One {  public One foo() { return this; }  }  class Three extends Two {   // insert method here  }  Which two methods, inserted individually, correctly complete the Three class?()
    A

    public void foo() { }

    B

    public int foo() { return 3; }

    C

    public Two foo() { return this; }

    D

    public One foo() { return this; }

    E

    public Object foo() { return this; }


    正确答案: C,D
    解析: 暂无解析

  • 第12题:

    单选题
    Which retrieves the value associated with “foo” from within an HttpServlet?()
    A

     String value = getServletConfig( ).getParameter(“foo”);

    B

     String value = getServletContext( ).getAttribute(“foo”);

    C

     Object value = getServletContext( ).getInitParameter(“foo”);

    D

     String value = getServletContext( ).getInitParameter(“foo”)


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Which the three are valid declarations of a float?()

    • A、 float foo = -1;
    • B、 float foo = 1.0;
    • C、 float foo = 42el:
    • D、 float foo = 2.02f:
    • E、 float foo = 3.03d:

    正确答案:A,D,F

  • 第14题:

    Which three are valid declarations of a float? () 

    • A、 Float foo = -1;
    • B、 Float foo = 1.0;
    • C、 Float foo = 42e1;
    • D、 Float foo = 2.02f;
    • E、 Float foo = 3.03d;
    • F、 Float foo = 0x0123;

    正确答案:A,D,F

  • 第15题:

    Which code determines the int value foo closest to a double value bar?()  

    • A、 Int foo = (int) Math.max(bar);
    • B、 Int foo = (int) Math.min(bar);
    • C、 Int foo = (int) Math.abs(bar);
    • D、 Int foo = (int) Math.ceil(bar);
    • E、 Int foo = (int) Math.floor(bar);
    • F、 Int foo = (int) Math.round(bar);

    正确答案:F

  • 第16题:

    Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map, which two are valid invocations of function foo?()

    • A、 ${func(1)}
    • B、 ${foo:func(4)}
    • C、 ${func:foo(2)}
    • D、 ${foo(5):func}
    • E、 ${func:foo(“easy”)}
    • F、 ${func:foo(“3”).name}

    正确答案:F

  • 第17题:

    String foo = “blue”;  Boolean[]bar = new Boolean [1];  if (bar[0])  {  foo = “green”;  }   What is the result? () 

    • A、 Foo has the value of “”
    • B、 Foo has the value of null.
    • C、 Foo has the value of “blue”
    • D、 Foo has the value of “green”
    • E、 An exception is thrown.
    • F、 The code will not compile.

    正确答案:F

  • 第18题:

    多选题
    Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()
    A

    public void foo() { /* more code here */ }

    B

    private void foo() { /* more code here */ }

    C

    protected void foo() { /* more code here */ }

    D

    int foo() { /* more code here */ }

    E

    void foo() { /* more code here */ }


    正确答案: A,C,E
    解析: 暂无解析

  • 第19题:

    多选题
    Given: Which three methods, inserted individually at line 14, will correctly complete class Two?()
    A

    int foo() { /* more code here */ }

    B

    void foo() { /* more code here */ }

    C

    public void foo() { /* more code here */ }

    D

    private void foo() { /* more code here */ }

    E

    protected void foo() { /* more code here */ }


    正确答案: D,B
    解析: 暂无解析

  • 第20题:

    单选题
    Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope?()
    A

     pageContext.getAttribute(“foo”);

    B

     getPageContext().getAttribute(“foo”);

    C

     pageContext.getApplicationScope(“foo”);

    D

     pageContext.getAttribute(“foo”,pageContext.APPLICATION_SCOPE).getAttribute(“foo”);

    E

     getPageContext().getScope(pageContext.APPLICATION_SCOPE).getAttribute(“foo”);


    正确答案: C
    解析: 暂无解析

  • 第21题:

    多选题
    Which three are valid declarations of a float? ()
    A

    Float foo = -1;

    B

    Float foo = 1.0;

    C

    Float foo = 42e1;

    D

    Float foo = 2.02f;

    E

    Float foo = 3.03d;

    F

    Float foo = 0x0123;


    正确答案: F,A
    解析: 暂无解析

  • 第22题:

    多选题
    class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()
    A

    int foo() { /* more code here */ }

    B

    void foo() { /* more code here */ }

    C

    public void foo() { /* more code here */ }

    D

    private void foo() { /* more code here */ }

    E

    protected void foo() { /* more code here */ }


    正确答案: C,D
    解析: 暂无解析

  • 第23题:

    多选题
    Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map,which two are valid invocations of function foo?()
    A

    ${func(1)}

    B

    ${foo:func(4)}

    C

    ${func:foo(2)}

    D

    ${foo(5):func}

    E

    ${func:foo(easy)}

    F

    ${func:foo(3).name}


    正确答案: D,E
    解析: 暂无解析

  • 第24题:

    单选题
    Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map, which two are valid invocations of function foo?()
    A

     ${func(1)}

    B

     ${foo:func(4)}

    C

     ${func:foo(2)}

    D

     ${foo(5):func}

    E

     ${func:foo(“easy”)}

    F

     ${func:foo(“3”).name}


    正确答案: B
    解析: 暂无解析