Which declarations o

题目

Which declarations of identifiers are legal?()

  • A、 $persons
  • B、 TwoUsers
  • C、 *point
  • D、 this
  • E、 _endline
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相似问题和答案

第1题:

It was 10 o′clock ___________ Jillarrived at the office, which made the boss annoyed.

A.when
B.that
C.which
D.then

答案:A
解析:
考查状语从句。分析句子结构可知为时间状语从句,句意为“直到10点Jill才到办公室,这使他的老板很生气”。故选B。

第2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3题:

What do the following declarations mean?

a) const int a;

b) int const a;

c) const int *a;

d) int * const a;

e) int const * a const;


正确答案:

 

第4题:

Which of the following phrases is TRUE regarding monitoring disk I/O with iostat?()

  • A、 The iostat can only be run as the root user
  • B、 There could be zero percent I/O wait and still be an I/O bottleneck
  • C、 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks 
  • D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks

正确答案:B

第5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6题:

Which declarations will allow a class to be started as a standalone program?()  

  • A、public void main(String args[])
  • B、public void static main(String args[])
  • C、public static main(String[] argv)
  • D、final public static void main(String [] array)
  • E、public static void main(String args[])

正确答案:D,E

第7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8题:

It was 10 o'clock __________ Jill arrived at the office, which made the boss annoyed.

A.when
B.that
C.which
D.then

答案:A
解析:
考查状语从句。分析句子结构可知为时间状语从句,旬意为“直到10点Jill才到办公室,这使他的老板很生气”。故选A。

第9题:

When booting the p5 590 server in full system partition mode, which location is preferred for the fastest boot?()

  • A、A SAN device
  • B、First I/O drawer
  • C、Any I/O drawer within the main frame
  • D、First I/O drawer within the expansion frame

正确答案:B

第10题:

Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem?()

  • A、 filemon
  • B、 istat
  • C、 vmstat
  • D、 iostat

正确答案:D

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