______that snow men were often spotted on the mountainside above 7000 meters by the local inhabitants.
A. It was used to be saying
B. It used to be said
C. It used to say
D. It was used to saying
查看答案
要创建一个新目录,可以用下面( )类实现
A. Fille
B. FileOutputStream
C. PrintStream
D. FilleInpuStream
判断文件或文件夹(文件夹也叫做目录)方法
A. isDirectory()
B. isFile()
C. exists()
D. isAbsolute()
用“new FileOutputStream("text.txt",true)”创建一个FileOutputStream对象,则下面说法哪个错误的? ( )
A. 若文件存在,则覆盖文件原有内容
B. 若文件不存在,则创建
C. 若文件存在,则在文件原来内容后面添加新内容
D. 若文件不存在,则抛出异常
下面哪个类不是处理字符流()
A. BufferedReader
B. FileReader
C. FileInputStream
D. FileWriter