?? fileclass1.java
字號:
import java.io.*;
public class FileClass1{
public static void main(String[] args){
File path=new File("d:\\javatry\\classtry");
File oldFile=new File("d:\\javatry\\classtry\\My.class");
File newPath=new File("d:\\javatry\\classtry\\tmp");
File newFile=new File("d:\\javatry\\classtry\\tmp\\Ok.ok");
String[] stringArray;
stringArray=path.list();
System.out.println("begin list file names in path");
for (int i=0;i<stringArray.length;i++)
System.out.println(stringArray[i]);
System.out.println("name of path="+path.getName());
System.out.println("parent of path="+path.getParent());
System.out.println("length of old="+oldFile.length());
newPath.mkdir();
try{
newFile.createNewFile();
}catch(Exception e){}
stringArray=newPath.list();
System.out.println("begin list file names in newpath");
for(int i=0;i<stringArray.length;i++)
System.out.println(stringArray[i]);
System.out.println("absolute pathname of newfile="+newFile.getAbsolutePath());
System.out.println("length of newfile="+newFile.length());
}
}
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