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}

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}

相关考题:

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GivenanELfunctionfoo,innamespacefunc,thatrequiresalongasaparameterandreturnsaMap,whichtwoarevalidinvocationsoffunctionfoo?() A.${func(1)}B.${foo:func(4)}C.${func:foo(2)}D.${foo(5):func}E.${func:foo(“easy”)}F.${func:foo(“3”).name}

有如下程序include using namespace std;class A{public:virtual void func1 (){ cou 有如下程序#include <iostream>using namespace std;class A{public:virtual void func1 (){ cout<<"A1"; }void func2(){ cout<<"A2"; }};class B: public A{public:void func l(){ cout<<"B1"; }void func2(){ cout<<"B2"; }};int main() {A *p=new B;p->func1();p->func2();return 0;}运行此程序,屏幕上将显示输出( )。A.B1B2B.A1A2C.B1A2D.A1B2

GivenanELfunctionfoo,innamespacefunc,thatrequiresalongasaparameterandreturnsaMap,which twoarevalidinvocationsoffunctionfoo?() A.${func(1)}B.${foo:func(4)}C.${func:foo(2)}D.${foo(5):func}E.${func:foo(easy)}F.${func:foo(3).name}

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 */ }

下面程序执行后的结果是()。includeusing namespace std;void func1(int i);void func 下面程序执行后的结果是( )。 #include<iostream> using namespace std; void func1(int i); void func2(int i); char st[]="hello, friend!"; void func1(int i) { cout<<st[i]; if(i<3){i+=2;func2(i);} } void func2(int i) { cout<<st[i]; if(i<3){i+=2;func1(i);} } void main() { int i=0;func1(i);cout<<endl;}A.elloB.helC.hloD.him

下列程序写法不正确的是( )。A.func1(){…func2(){…}…}B.func1(){…}func2(){…}C.func2();func1(){…func2();…}func2(){…}D.func1(){…func1();…}

int func1(int b){return 0;}void func2(){int bbb = 3;func1(bbb);func1(bbb);}func2中有何错误,func1的参数b 的类型是什么。

有如下程序:includeusing namespace std;class A{public:virtual void func1(){cout 有如下程序: #include<iostream> using namespace std; class A{ public: virtual void func1(){cout<<"A1";} void func2(){cout<<"A2";} }; class B:public A{ public: void func1(){cout<<"B1";} void func2(){cout<<"B2";} }; int main() { A *p=new B; p->func1(); p->func2(); return 0; } 执行该程序,屏幕上将显示输出( )。A.B1B2B.A1A2C.B1A2D.A1B2

有如下函数模板的定义: template T func(Tx,Ty){ return x*x+y*y;}A.func(3,5);B.func 有如下函数模板的定义: template <class T> T func(Tx,Ty){ return x*x+y*y;}A.func(3,5);B.func<>(3,5);C.func(3,5.5);D.func<int> (3,5.5);

对于类定义: class A{ public: virtual void func1(){} Void func2 (){} }; class B:public A{ public: void func1(){cout<<"class B func 1"<<end1;} virtual void func2(){cout<<"class B func 2"<<end1;} };下面叙述正确的是( )。A.A::func2()和B::func1()都是虚函数B.A::func2()和B::func1()都不是虚函数C.B::func1()是虚函数,而A::func2()不是虚函数D.B::func1()不是虚函数,而A::func2()是虚函数

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 */ }

Given: 6.% int[] nums = {42, 420, 4200}; 7.request.setAttribute("foo", nums); % Which two successfully translate and result in a value of true?()A、${true or false}B、${requestScope[foo][0]  500}C、${requestScope[’foo’][1] = 420}D、${(requestScope[’foo’][0] lt 50)  (3 gt 2)}

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:

Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()A、The foo initialization parameter CANNOT be set programmatically.B、Compilation fails because getInitParameter returns type Object.C、The foo initialization parameter is NOT a servlet initialization parameter.D、Compilation fails because ServletContext does NOT have a getInitParameter method.E、The foo parameter must be defined within the  element of the deployment descriptor.

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;

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; }

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 */ }

多选题Given: 6. Which two successfully translate and result in a value of true?()A${true or false}B${requestScope[foo][0]  500}C${requestScope[’foo’][1] = 420}D${(requestScope[’foo’][0] lt 50)  (3 gt 2)}

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?()Apublic void foo() { /* more code here */ }Bprivate void foo() { /* more code here */ }Cprotected void foo() { /* more code here */ }Dint foo() { /* more code here */ }Evoid foo() { /* more code here */ }

多选题Given: Which three methods, inserted individually at line 14, will correctly complete class Two?()Aint foo() { /* more code here */ }Bvoid foo() { /* more code here */ }Cpublic void foo() { /* more code here */ }Dprivate void foo() { /* more code here */ }Eprotected void foo() { /* more code here */ }

多选题Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()AThe foo initialization parameter CANNOT be set programmatically.BCompilation fails because getInitParameter returns type Object.CThe foo initialization parameter is NOT a servlet initialization parameter.DCompilation fails because ServletContext does NOT have a getInitParameter method.EThe foo parameter must be defined within the  element of the deployment descriptor.

多选题Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()AThe foo initialization parameter CANNOT be set programmatically.BCompilation fails because getInitParameter returns type Object.CThe foo initialization parameter is NOT a servlet initialization parameter.DCompilation fails because ServletContext does NOT have a getInitParameter method.EThe foo parameter must be defined within the  element of the deployment descriptor.

多选题Which three are valid declarations of a float? ()AFloat foo = -1;BFloat foo = 1.0;CFloat foo = 42e1;DFloat foo = 2.02f;EFloat foo = 3.03d;FFloat foo = 0x0123;

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:

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?()Apublic void foo() { }Bpublic int foo() { return 3; }Cpublic Two foo() { return this; }Dpublic One foo() { return this; }Epublic Object foo() { return this; }

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}