申論 3請問執行下列JAVA 程式碼後的結果為何？請繪製此程式的流程圖。（20 分）01. public class ShowClass {02. public static void main( String[] args )03. {04. int row = 4;05. int column;07. while ( row >= 1 )08. {09. column = 1;11. while ( column <= 5 )12. {13. System.out.print( row % 2 == 1 ? "<-" : "->" );14. ++column;15. } // end while17. --row;18. System.out.println();19. } // end while20. } // end main