Assignment #50 CompareTo Challenge

Code

    /// Name: John Huh
    /// Period: 6
    /// Program Name: CompareTo Challenge
    /// File Name: Compare.java
    /// Date Finished: 11/3/2015

        import java.util.Scanner;
    
        public class Compare
        {
            public static void main( String[] args )
            {
              
               Scanner keyboard = new Scanner(System.in);
               String a1, a2, b1, b2, c1, c2, d1, d2, e1, e2, f1, f2, g1, g2, h1, h2, i1, i2, j1, j2, k1, l1;
               int r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
            
                a1 = "women";
                a2 = "man";
                b1 = "happy";
                b2 = "sad";
                c1 = "mail";
                c2 = "zoo";
                d1 = "short";
                d2 = "tall";
                e1 = "harmful";
                e2 = "safe";
                f1 = "stocky";
                f2 = "thin";
                g1 = "wary";
                g2 = "cautious";
                h1 = "truck";
                h2 = "car";
                i1 = "south";
                i2 = "north";
                j1 = "beast";
                j2 = "animal";
                k1 = "walking";
                l1 = "tired";
                    
                System.out.println();
                System.out.print( "Comparing \"women\" with \"man\" produces " );
                System.out.println( a1.compareTo(a2) );
                
                System.out.println();
                System.out.print( "Comparing \"happy\" with \"sad\" produces " );
                System.out.println( b1.compareTo(b2) );
                
                System.out.println();
                System.out.print( "Comparing \"mail\" with \"zoo\" produces " );
                System.out.println( c1.compareTo(c2) );
                
                System.out.println();
                System.out.print( "Comparing \"short\" with \"tall\" produces " );
                System.out.println( d1.compareTo(d2) );
                
                System.out.println();
                System.out.print( "Comparing \"harmful\" with \"safe\" produces " );
                System.out.println( e1.compareTo(e2) );
                
                System.out.println();
                System.out.print( "Comparing \"stocky\" with \"thin\" produces " );
                System.out.println( f1.compareTo(f2) );
                
                System.out.println();
                System.out.print( "Comparing \"wary\" with \"cautious\" produces " );
                System.out.println( g1.compareTo(g2) );
                
                System.out.println();
                System.out.print( "Comparing \"truck\" with \"car\" produces " );
                System.out.println( h1.compareTo(h2) );
                
                System.out.println();
                System.out.print( "Comparing \"south\" with \"north\" produces " );
                System.out.println( i1.compareTo(i2) );
                
                System.out.println();
                System.out.print( "Comparing \"beast\" with \"animal\" produces " );
                System.out.println( j1.compareTo(j2) );
                
                System.out.println();
                System.out.print( "Comparing \"walking\" with \"walking\" produces " );
                System.out.println( k1.compareTo(k1) );
                
                System.out.println();
                System.out.print( "Comparing \"tired\" with \"tired\" produces " );
                System.out.println( l1.compareTo(l1) );
                
                System.out.println();
            }
        }
                
    

Picture of the output