File(文件类)
//Demonstrate File.import java.io.File;
class FileDemo{
static void p(String s){
System.out.println(s);
}
public static void main(String[] args)
{
File f1 = new File("c:/boot.ini");
p("File Name: " + f1.getName());
p("Path: " + f1.getPath());
p("ABS Path: " + f1.getAbsolutePath());
p(f1.exists() ? "exists":"does not exist");
p(f1.canWrite() ? "is writeable":"is not writeable");
p(f1.canRead() ? "is readable":"is not readable");
p("is " + (f1.isDirectory() ? "":"not" + "a directory"));
p(f1.isFile() ? "is normal file":"might be a named pipe");
p(f1.isAbsolute() ? "is absolute":"is not absolute");
p("File last modified: " + f1.lastModified());
p("File Size: " + f1.length() + " Bytes");
p("File Hidden: " + f1.isHidden() );
}
}
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