//
// what is happening here?
//

public class Inc {      
    
    public static void main(String[] args) {
	
	boolean bug = args[0].equals("bug");
	int[] A = new int[]{3,7,0,2,6,1,5,4};
	int i = 0;
	int n = 8;
	
	for (int j=0;j<24;j++){
	    System.out.println("A["+ i +"] = "+ A[i]);
	    if (bug)
		i = (i++) % n; // (1) this causes a big
	    else
		i = (i+1) % n; // (2) this is okay
	}
    }
}
//
// Attempt to treat array A as circular and scan over 3
// times, looking at 8 array elements 3 times
//
// Run as follows:
// > java Inc bug
// > java Inc noBug
//