import java.io.*;
class TestRenameFiles {
public static void main(String[] args){
File f = new File("c:\\javatemp\\temp.txt");
File d = new File("c:\\javatemp\\aaa.txt");
if (f.renameTo(d)){
System.out.println("true");
}else{
System.out.println("false");
}
import java.io.*;
class TestCreateFiles {
public static void main(String[] args){
File f = new File("c:\\temp");
if (f.mkdir()){
System.out.println("Created directory true");
}else{
System.out.println("Created directory false");
}