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");
}
}
}
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");
}
}
}
如何将一个名为temp.txt的文件重命名为aaa.txt
希望给出代码。
我想套用楼上的方法却行不通,renameTo(File)?!?
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");
}
}
}前提是temp.txt文件必须存在!!
class RenameFile{
public static void main(String args[]) {
File f = new File("temp.txt");
File nf = new File("aaa.txt");
boolean bf = f.renameTo(nf);
if (bf) {
System.out.println("rename success");
} else {
System.out.println("rename failed");
}
}
}