Parameter 0: stringA
Parameter 1: stringB
Parameter 2: stringC

Numeric Input

The command line data are always Strings. But this does not prevent you from entering numbers. As with run-time input from the keyboard you use Integer.parseInt(String) or Double.parseDouble(String) to convert the character data to numeric data. Here is an example:

class InputDemo
{
  public static void main ( String[] args )
  {
    int sum = 0;
    for (int j=0; j  < args.length; j++ )
      sum += Integer.parseInt( _______________ );

    System.out.println( "Sum: " + sum );
  }
}

Say that the user started this program with the command line:

C:\>java InputDemo 23 87 13 67 -42