About command-line arguments

Question

it seems a simple problem, but i don't know why i cannot execute that. for example, for (int i=0; i<args.length; i++)
System.out.println(....)
using this, i suppose can input something through keyboard. but when i run the program, it doesn't wait for any input and then finish. any one know where is the problem?

Answer 1

I just skimmed through your posts. Not sure but maybe you are trying to do this. (Forgive me if I'm off track)
import java.io.*;
public class saveTxt {
   public static void main( String args[] ) throws IOException {
      FileOutputStream out = new FileOutputStream( "saveTxt.txt" );
      DataOutputStream d = new DataOutputStream( out );
      DataInputStream in = new DataInputStream(System.in);
      String s1;
      try {
            while ((s1 = in.readLine() ) != null) {       
            PrintStream p = new PrintStream( out );
            p.println(s1);
         in.close();
      catch (IOException e) {
      System.out.println ("\n" + '\u0022' +"Test6.txt"+ '\u0022'+ " file created" );     
}