java.io.File类中,()方法可以判断一个文件对象是否是目录
A.booleanisFile()
B.booleanisAbsolute()
C.booleancanRead()
D.booleanisDirectory()
- · 有4位网友选择 C,占比50%
- · 有2位网友选择 A,占比25%
- · 有2位网友选择 B,占比25%
A.booleanisFile()
B.booleanisAbsolute()
C.booleancanRead()
D.booleanisDirectory()
A.SringgetName()
B.StringgetPath
C.CStringgetAbsolutePath
D.DStringgetParent
A.booleanlastModified()
B.voidlastModified()
C.longlastModified()
D.intlastModified()
A.booleanrename()
B.booleanrename(StringnewName)
C.booleanrenameTo(StringnewName)
D.没有
A.booleanmkdir()
B.booleanmkdirs()
C.booleanmkdirectory()
D.booleanmkdirectories()
A.java.io.FileWriter
B.javax.swing.text.html.DIR
C.java.io.FilenameFilter
D.java.io.File
A.PrintWriterprtWtr=newPrintWriter(f);
B.PrintWriterprtWtr=newPrintWriter(fw);
C.PrintWriterprtWtr=newPrintWriter(bw);
D.BufferWriterbufWtr=newBufferedWriter(f);
E.BufferWriterbufWtr=newBufferedWriter(fw);
F.BufferWriterbufWtr=newBufferedWriter(bw);
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