//ArgInt.java
//an integer command line argument

public class ArgInt {      

    public static void main (String[] args) { 

	int count = Integer.parseInt(args[0]);
	//parseInt method of builtin Integer class.  
	//takes String argument and returns int

	for (int i=1; i<=count; i++)
	    System.out.println("arf!");    
    }
}


/*
java ArgInt 5
java ArgInt         //index out of bounds error: ArrayIndexOutOfBoundsException
java ArgInt duhh    //can't be parsed as an int error: NumberFormatException


modify so that second arg is string to replicate

*/