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单选题
Which gets the name of the parent directory file “file.txt”?()
A
String name= File.getParentName(“file.txt”);
B
String name= (new File(“file.txt”)).getParent();
C
String name = (new File(“file.txt”)).getParentName();
D
String name= (new File(“file.txt”)).getParentFile();
E
Directory dir=(new File (“file.txt”)).getParentDir(); String name= dir.getName();
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更多 “单选题Which gets the name of the parent directory file “file.txt”?()A String name= File.getParentName(“file.txt”);B String name= (new File(“file.txt”)).getParent();C String name = (new File(“file.txt”)).getParentName();D String name= (new File(“file.txt”)).getParentFile();E Directory dir=(new File (“file.txt”)).getParentDir(); String name= dir.getName();” 相关考题
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Which two construct an OutputSream that appends to the file “file.txt”? ()A、 OutputStream out=new FileOutputStream(“file.txt”);B、 OutputStream out=new FileOutputStream(“file.txt”, “append”);C、 FileOutputStream out=new FileOutputStream(“file.txt”, true);D、 FileOutputStream out=new FileOutputStream(new file(“file.txt”));E、 OutputStream out=new FileOutputStream(new File(“file.txt”)true);
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为文件c:/java/example/file.txt建立File对象file1可以采用()语句序列。A、File file 1=new File(“c://java//example//file.txt”)B、String path=”c:/java/example/”Filefile1=newFile(path,”oldfile.txt”)C、File dir 1=new File(“c://java//example”)Filefile1=newFile(dir1,”oldfile.txt”)D、File file 1=new File(“c:/java//example/file.txt”)
考题
Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? ()A、attrib file.txt +hB、attrib file.txt +rC、ren file.txtD、attrib file.txt +s
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Which two create an InputStream and open file the “file.txt” for reading? ()A、 InputStream in=new FileReader(“file.txt”);B、 InputStream in=new FileInputStream(“file.txt”);C、 InputStream in=new InputStreamFileReader (“file.txt”, “read”);D、 FileInputStream in=new FileReader(new File(“file.txt”));E、 FileInputStream in=new FileInputStream(new File(“file.txt”));
考题
Which gets the name of the parent directory file “file.txt”?()A、 String name= File.getParentName(“file.txt”);B、 String name= (new File(“file.txt”)).getParent();C、 String name = (new File(“file.txt”)).getParentName();D、 String name= (new File(“file.txt”)).getParentFile();E、 Directory dir=(new File (“file.txt”)).getParentDir(); String name= dir.getName();
考题
The file “file.txt” exists on the file system and contsins ASCII text. Given: try { File f = new File(“file.txt”); OutputStream out = new FileOutputStream(f, true); } catch (IOException) {} What is the result?()A、 The code does not compile.B、 The code runs and no change is made to the file.C、 The code runs and sets the length of the file to 0.D、 An exception is thrown because the file is not closed.E、 The code runs and deletes the file from the file system.
考题
What writes the text “ ” to the end of the file “file.txt”?()A、 OutputStream out= new FileOutputStream (“file.txt”); Out.writeBytes (“ /n”);B、 OutputStream os= new FileOutputStream (“file.txt”, true); DataOutputStream out = new DataOutputStream(os); out.writeBytes (“ /n”);C、 OutputStream os= new FileOutputStream (“file.txt”); DataOutputStream out = new DataOutputStream(os); out.writeBytes (“ /n”);D、 OutputStream os= new OutputStream (“file.txt”, true); DataOutputStream out = new DataOutputStream(os); out.writeBytes (“ /n”);
考题
多选题Which two create an InputStream and open file the “file.txt” for reading? ()AInputStream in=new FileReader(“file.txt”);BInputStream in=new FileInputStream(“file.txt”);CInputStream in=new InputStreamFileReader (“file.txt”, “read”);DFileInputStream in=new FileReader(new File(“file.txt”));EFileInputStream in=new FileInputStream(new File(“file.txt”));
考题
单选题What writes the text “ ” to the end of the file “file.txt”?()A
OutputStream out= new FileOutputStream (“file.txt”); Out.writeBytes (“ /n”);B
OutputStream os= new FileOutputStream (“file.txt”, true); DataOutputStream out = new DataOutputStream(os); out.writeBytes (“ /n”);C
OutputStream os= new FileOutputStream (“file.txt”); DataOutputStream out = new DataOutputStream(os); out.writeBytes (“ /n”);D
OutputStream os= new OutputStream (“file.txt”, true); DataOutputStream out = new DataOutputStream(os); out.writeBytes (“ /n”);
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填空题对于如下程序: #include main( ) { FILE *fp; fp=fopen(“file.txt”,“w”); fprintf(fp,“%s”,“xyz”); fclose(fp); } 若文件file.txt中原有的内容为good,则运行该程序以后,文件file.txt中的内容为()
考题
多选题创建一个向文件“file.txt”追加内容的输出流对象的语句有()。AFileOutputStream out=new FileOutputStream(“file.txt”,true);BOutputStream out=new FileOutputStream(“file.txt”,“append”);COutputStream out=new FileOutputStream(“file.txt”);DFileOutputStream out=new FileOutputStream(new file(“file.txt”));EOutputStream out=new FileOutputStream(new File(“file.txt”),true.;
考题
单选题下列语句正确的有()A
%@ include file=”head.jsp”% B
% String url=”head.jsp”;%%@ include file=”url”% C
%@ include file=”head.jsp”?name=”lovo”% D
%String companyName=”lovo”;%%@include file”head.jsp”?name=‟companyName”%
考题
单选题Which gets the name of the parent directory file “file.txt”?()A
String name= File.getParentName(“file.txt”);B
String name= (new File(“file.txt”)).getParent();C
String name = (new File(“file.txt”)).getParentName();D
String name= (new File(“file.txt”)).getParentFile();E
Directory dir=(new File (“file.txt”)).getParentDir(); String name= dir.getName();
考题
多选题Which two construct an OutputSream that appends to the file “file.txt”? ()AOutputStream out=new FileOutputStream(“file.txt”);BOutputStream out=new FileOutputStream(“file.txt”, “append”);CFileOutputStream out=new FileOutputStream(“file.txt”, true);DFileOutputStream out=new FileOutputStream(new file(“file.txt”));EOutputStream out=new FileOutputStream(new File(“file.txt”)true);
考题
单选题Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? ()A
attrib file.txt +hB
attrib file.txt +rC
ren file.txtD
attrib file.txt +s
考题
单选题The file “file.txt” exists on the file system and contsins ASCII text. Given: try { File f = new File(“file.txt”); OutputStream out = new FileOutputStream(f, true); } catch (IOException) {} What is the result?()A
The code does not compile.B
The code runs and no change is made to the file.C
The code runs and sets the length of the file to 0.D
An exception is thrown because the file is not closed.E
The code runs and deletes the file from the file system.
考题
多选题为文件c:/java/example/file.txt建立File对象file1可以采用()语句序列。AFile file 1=new File(“c://java//example//file.txt”)BString path=”c:/java/example/”Filefile1=newFile(path,”oldfile.txt”)CFile dir 1=new File(“c://java//example”)Filefile1=newFile(dir1,”oldfile.txt”)DFile file 1=new File(“c:/java//example/file.txt”)
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