// purpose: show some increment possibilities

public class BumpItUp {

    // method main(): program starting point
    public static void main( String[] args ) {  

        // define variable to try out some manipulation
        int n = 100;

        System.out.println( "n before manipulation" );
        System.out.println( "   n = " + n );
        System.out.println();
        System.out.println();

        // what happens when we try the following
        n = n + 1;

        System.out.println( "n after doing n = n + 1" );
        System.out.println( "   n = " + n );
        System.out.println();
        System.out.println();

        // what happens when we try the following
        ++n;

        System.out.println( "n after doing ++n" );
        System.out.println( "   n = " + n );
        System.out.println();
        System.out.println();

        // what happens when we try the following
        n += 1;

        System.out.println( "n after doing n += 1" );
        System.out.println( "   n = " + n );
        System.out.println();
        System.out.println();
    }
}