Да нет, совсем простая задача, но я только начинаю :)
На словах то понятно..
Примерно можешь написать на джава как это реализовать в моем коде?
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public static void main (String[] args) {
File fi = new File("aa.txt");
if (fi.exists()) {
//fi.delete();
System.out.println("File aa.txt exists");
}
if (!fi.exists()) {
try {
fi.createNewFile();
System.out.println("File aa.txt has been created");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
File fo = new File("bb.txt");
if (fo.exists()) {
fo.delete();
System.out.println("File bb.txt has been deleted");
}
if (!fo.exists()) {
try {
fo.createNewFile();
System.out.println("File bb.txt has been created");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
InputStream is = null;
OutputStream os = null;
try {
is = new FileInputStream(fi);
os = new FileOutputStream(fo);
int b;
while ((b = is.read()) != -1) {
os.write(b);
}
System.out.println("The content of the file aa.txt is copied to the file bb.txt");
/*int b = is.read();
while (b != -1) {
os.write(b);
b = is.read();
}*/
} catch (Exception e) {
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (os != null) {
try {
os.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
