BN
Добрый вечер
import java.io.*;
public class Test {
public static void main(String[] args) throws Exception {
int k1 = 2;
int k2 = 9;
newFile( k1, k2);
}
public static void newFile(int k1, int k2) throws Exception {
FileWriter nFile = new FileWriter("file1.txt");
for(int i = k1; i <= k2; i++) {
nFile.write(i);
}
nFile.close();
}
}