LA AP 7

- Ingat nama file sama dengan nama class, jadi berdasarkan kode dibawah anda sudah tau pasti harus apa...

- jika masih tidak tau harus apa, silahkan komentar di post ini...

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import java.io.File;

class demobuatdir{
    public static void main (String[]args){
    File f = new File("NewDir/dir");
    f.mkdirs();
    }}

 

import java.io.*;

class demobuatfil{
    public static void main(String [] args) throws IOException{
    File f = new File("NewDir/sample.txt");
    f.createNewFile();
    }}

 

import java.io.File;

class demohapusfil{
    public static void main(String [] args) {
    File f = new File("NewDir/contoh.txt");
    f.delete();
    }}

 

import java.io.File;

class demoubahfil{
    public static void main(String [] args) {
    File f = new File("NewDir/sample.txt");
    f.renameTo(new File("NewDir/contoh.txt"));
    }}