Page 414 - CA_Blue( J )_Class10
P. 414

class Result{
                        public static void main() {
                            Scanner sc= new Scanner(System.in);
                           int n,i,total=0;
                           double avg=0.0;
                            System.out.print("Number of students: ");
                           n = sc.nextInt();
                           int roll[] = new int[n];
                           String name[] = new String[n];
                           int m1[] = new int[n];
                           int m2[] = new int[n];
                           int m3[] = new int[n];
                           for (i = 0; i < n; i++) {
                            System.out.print("Enter Roll number: ");
                           roll[i] = sc.nextInt();
                            System.out.print("Enter Name: ");
                           name[i] = sc.next();
                            System.out.print("Enter Marks 1: ");
                           m1[i] = sc.nextInt();
                            System.out.print("Enter Marks 2: ");
                                m2[i] = sc.nextInt();
                                 System.out.print("Enter Marks 3: ");
                                m3[i] = sc.nextInt();
                                 total = m1[i] + m2[i] + m3[i];
                                avg = total / 3.0;
                                 if(avg >= 85 && avg <= 100)
                                 System.out.println("EXCELLENT");
                                else if(avg >= 75)
                                 System.out.println("DISTINCTION");
                                else if(avg >= 60)
                                 System.out.println("FIRST CLASS");
                                else if(avg >= 40)
                                 System.out.println("PASS");
                                else
                                 System.out.println("POOR");
                            }
                        }
                    }
                 21.  Write a program to input twenty names in an array. Arrange these names in descending order of alphabets, using the bubble
                    sort technique.                                                                               [2015]
                Ans. import java.util.*;
                    class sorting{
                        public static void main() {
                             Scanner sc= new Scanner(System.in);
                             String n[] = new String[20];
                            int i,j;
                            String temp;
                             System.out.println("Enter 20 names:");
                            for(i = 0; i < 20; i++)
                                n[i] = sc.next();
                            for(i = 0; i < 19; i++)
                              {  for(j = 0; j < 19 - i; j++)
                               { if(n[j].compareToIgnoreCase(n[j + 1]) < 0)
                             {   temp = n[j];
                                        n[j] = n[j + 1];
                                        n[j + 1] = temp;



                412412  Touchpad Computer Applications-X
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