class diamondprint { int size; diamondprint(){ size = 0; } diamondprint(int s){ size = s; } public void setsize(int s){ size = s; } public int getsize(){ return size; } public void diamond(){ int stars = 1; boolean go_up = true; while ( stars > 0 ){ for(int i = 0; i < stars; i++){ System.out.print("*"); } System.out.println(); if ( go_up == true ) { stars = stars + 2; } else { stars = stars - 2; } if ( stars == size ) { go_up = false; } } } }