Page 300 - CA_Blue( J )_Class9
P. 300

17                     j++;
                    18                 }while(j<=4);

                    19                 System.out.println();  //allows to print in the next line
                    20                 i++;

                    21             }while(i<=n);
                    22         }
                    23     }

                  You will get the following output:
                         Enter number of lines : 4
                         1234
                         1234
                         1234
                         1234

                                                         VARIABLE DESCRIPTION
                             NAME              DATATYPE                           DESCRIPTION
                        n                int                    Number of Lines
                        i                int                    Loop Variable
                        j                int                    Loop Variable


                  (x)  Menu-Driven programs
                  Write a menu-driven program to do the following:

                  Using the switch statement, write a menu-driven program for the following:

                                  (a) To print Floyd's triangle:
                   Program 22
                                     1
                                     2   3
                                     4   5   6
                                     7   8   9   10
                                     11  12  13  14  15
                                  (b) To display the following pattern:
                                     A
                                     A B
                                     A B C
                                     A B C D
                                  For an incorrect option, an appropriate error message should be displayed.
                     1     import java.util.*;                                  //importing “util” package

                     2     class menu                                           // class name
                     3     {

                     4         public static void main()
                     5     {

                     6             Scanner sc = new Scanner(System.in);


                   298    Touchpad Computer Applications-IX
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