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import java.io.FileWriter;
import java.io.IOException;
public class Main {
static void writeLines(String name) throws IOException{
FileWriter f = null;
try {
f = new FileWriter(name);
for (int i = 1; i <= 100; i++) {
f.write(String.format("%-3d ", i));
if (i % 10 == 0) {
f.write(System.lineSeparator());
}
}
} finally {
if (f != null) {
f.close();
}
}
}
public static void main(String[] args) {
String name = "hej.txt";
if (args.length > 0) {
name = args[0];
}
System.out.printf("Writing to %s%n", name);
try {
writeLines(name);
} catch(IOException e) {
System.err.printf("Failed with: %s%n", e);
}
}
}
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