letter_grade/com/innovanon/sjp/letter_grade/NumericalComparison1.java
/**
	 * processes a single command line argument.
	 * prints a helpful messsage about your letter grade
	 * @see com.innovanon.sjp.letter_grade.NumericalComparison#getMessage (java.lang.String, java.lang.String)
	 */
processes a single command line argument.
processes a single command line argument .
public void main_1 (final String noun, final String... args) {
		if (args.length != 1) throw new IllegalArgumentException (); 
		final String arg = args[0];         
		String out = this.getMessage (noun, arg);
		System.out.println (out);
	}
public void main_1 ( final String noun , final String ... args ) { if ( args . length != 1 ) throw new IllegalArgumentException ( ) ; final String arg = args [ 0 ] ; String out = this . getMessage ( noun , arg ) ; System . out . println ( out ) ; }
processes a single command line argument.
processes a single command line argument .
// validate input // exit status 1 means invalid usage // get single argument // this is the one and only arg, a string representing the numeric grade