?? tryfile.java
字號:
import java.io.*; // For input & output classes
public class TryFile
{
public static void main(String[] args)
{
// Create an object that is a directory
File myDir = new File("C:/jdk1.2/src/java/io");
System.out.println(myDir +
(myDir.isDirectory()?" is":" is not") + " a directory.");
// Create an object that is a file
File myFile = new File(myDir, "File.java");
System.out.println(myFile +
(myFile.exists()?" does":" does not") + " exist");
System.out.println("You can" +
(myFile.canRead()?" ":"not ") + "read " + myFile);
System.out.println("You can" +
(myFile.canWrite()?" ":"not ") + "write " + myFile);
return;
}
}
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