CMS专题
单选题Which method implementations will write the given string to a file named "file"， using UTF8 encoding？（） IMPLEMENTATION a： public void write（String msg） throws IOException { FileWriter fw = new FileWriter（new File（"file"））； fw.write（msg）； fw.c
题目
Implementation a.
Implementation b.
Implementation c.
Implementation d.
Implementation e.
参考答案和解析
相似问题和答案
第1题：
A.String regex=""；
B.String regex=" ."；
C.String regex=".*"；
D.String regex="\\s"；
E.String regex="\\.\\s*"；
F.String regex="\\w[\.]+"；
第2题：
Which two statements are true about the hashCode method？（）
- A、 The hashCode method for a given class can be used to test for object equality and object inequality for that class.
- B、 The hashCode method is used by the java.util.SortedSet collection class to order theelements within that set.
- C、 The hashCode method for a given class can be used to test for object inequality， but NOT object equality， for that class.
- D、 The only important characteristic of the values returned by a hashCode method is that the distribution of values must follow a Gaussian distribution.
- E、 The hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.
正确答案:C,E
第3题：
You are writing a method that accepts a string parameter named message.Your method must break the message parameter into individual lines of text and pass each line to a second method named Process.Which code segment should you use?（）
A.
B.
C.
D.
第4题：
Which HttpSession method stores an object in a session？（）
- A、 put（String name. Object value）
- B、 set（String name. Object value）
- C、 setAttribute（String name. Object value）
- D、 putAttribute（String name. Object value）
- E、 addAttribute（String name. Object value）
正确答案:C
第5题：
When compressing data with the DeflateStream class， how do you specify a stream into which to write compressed data？（）
- A、 Set the BaseStream property with the destination stream， and set the CompressionMode property to Compression.
- B、 Specify the stream to write into the DeflateStream object is created （for example， in the constructor）.
- C、 Use the Write method of the DeflateStream class.
- D、 Register for the BaseSream event of the DeflateStream class.
正确答案:B
第6题：
If possible please suggest further improvement of the String class.
Question 3:
Given a link list, detect whether it's circular using only one loop.
Tips: Below implementation is allowed
for( ... )
{
...
}
The following implementations is NOT allowed
...
for( ... )
{
...
for( ... ) {...}
}
...
or
...
for( p = list->head, q = list->head; p != NULL && q != NULL; p = p->next )
{
...
}
...
for( ... )
{
...
}
第7题：
Given： 6.
- A、The doStartTag method is called once.
- B、The doAfterBody method is NOT called.
- C、The EVAL_PAGE constant is a valid return value for the doEndTag method.
- D、The SKIP_PAGE constant is a valid return value for the doStartTag method.
- E、The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.
正确答案:A,C
第8题：
A. java.lang.RuntimeException: Problem
B. run.java.lang.RuntimeException: Problem
C. End of method.java.lang.RuntimeException: Problem
D. End of method.run.java.lang.RuntimeException: Problem
E. run.java.lang.RuntimeException: Problem End of method.
第9题：
Which methods from the String and StringBuffer classes modify the object on which they are called？（）
- A、The charAt（） method of the String class.
- B、The toUpperCase（） method of the String class.
- C、The replace（） method of the String class.
- D、The reverse（） method of the StringBuffer class.
- E、The length（） method of the StringBuffer class.
正确答案:D
第10题：
Given the ActionEvent， which method allows you to identify the affected component？（）
- A、 GetClass.
- B、 GetTarget.
- C、 GetSource.
- D、 GetComponent.
- E、 GetTargetComponent.
正确答案:C