Which code fragments&

题目

Which code fragments will succeed in initializing a two-dimensional array named tab with a size that will cause the expression tab[3][2] to access a valid element?()   CODE FRAGMENT a:  int[][] tab = {  { 0, 0, 0 },  { 0, 0, 0 }  };   CODE FRAGMENT b:  int tab[][] = new int[4][];  for (int i=0; i   CODE FRAGMENT c:  int tab[][] = {  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0  };   CODE FRAGMENT d:  int tab[3][2];   CODE FRAGMENT e:  int[] tab[] = { {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0} };  

  • A、Code fragment a.
  • B、Code fragment b.
  • C、Code fragment c.
  • D、Code fragment d.
  • E、Code fragment e.
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相似问题和答案

第1题:

Click the Exhibit button. Given:Which two statements are true if a NullPointerException is thrown on line 3 of class C? ()

A.The application will crash.

B.The code on line 29 will be executed.

C.The code on line 5 of class A will execute.

D.The code on line 5 of class B will execute.

E.The exception will be propagated back to line 27.


参考答案:B, E

第2题:

( )refers to the range of computer hardware and OS platforms on which the source code of a program can be compiled and run.

A.Usability
B.Portability
C.Reliability
D.Maintainability

答案:B
解析:
可移植性指的是计算机硬件和操作系统平台的范围,在这些平台上都可以编译和运行程序的源代码。A可使用性 B可移植性 C可靠性 D可维护性

第3题:

Given:Which method will complete this class?()

A.public int compareTo(Object o){/*more code here*/}

B.public int compareTo(Score other){/*more code here*/}

C.public int compare(Score s1,Score s2){/*more code here*/}

D.public int compare(Object o1,Object o2){/*more code here*/}


参考答案:B

第4题:

If a vessel subject to PSC inspection, PSC Officer shall give the inspection to the Captain, the given timeframe for rectification of each deficiency is commonly given in a coded form which called “action code”, which code listed below is used for indication of detention of the vessel?()

  • A、10
  • B、30
  • C、17
  • D、16

正确答案:B

第5题:

You are creating a new JSP page and you need to execute some code that acts when the page is firstexecuted, but only once. Which three are possible mechanisms for performing this initialization code?()

  • A、In the init method.
  • B、In the jspInit method.
  • C、In the constructor of the JSP’s Java code.
  • D、In a JSP declaration, which includes an initializer block.
  • E、In a JSP declaration, which includes a static initializer block.

正确答案:B,D,E

第6题:

Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2/2/2 withFrame Relay encapsulation?Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2/2/2 with Frame Relay encapsulation?()

A.

B.

C.

D.


参考答案:D

第7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:B,C,E

第8题:

According to STCW Code,which of the following functions must an engineer officer possess?( )


答案:

第9题:

31. // some code here  32. try {  33. // some code here  34. } catch (SomeException se) {  35. // some code here  36. } finally {  37. // some code here  38. }  Under which three circumstances will the code on line 37 be executed?()

  • A、 The instance gets garbage collected.
  • B、 The code on line 33 throws an exception.
  • C、 The code on line 35 throws an exception.
  • D、 The code on line 31 throws an exception.
  • E、 The code on line 33 executes successfully.

正确答案:B,C,E

第10题:

Acceptance of deliverables to multiple locations requires which type of sign off?()

  • A、Design Acceptance
  • B、Code Acceptance
  • C、Module Acceptance
  • D、Site Acceptance

正确答案:D

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