Page 281 - Computer science 868 Class 12
P. 281

Character array elements are enclosed within single quotation marks.
                 Let us take some examples.



                   Program 1     Write a program to accept 20 integer numbers in a single-dimensional array. Find and display
                                 the following:
                                   i. Number of even numbers.
                                  ii.  Number of odd numbers.
                                 iii. Number of multiples of 4.


                   1       import java.util.*;
                   2       class Numbers
                   3       {

                   4       public static void main(String args[])
                   5       {

                   6           Scanner sc = new Scanner(System.in);
                   7           int i,j,c1=0,c2=0,c3=0;

                   8           int a[] = new int[20];
                   9           System.out.println("Enter 20 numbers");

                   10              for(i=0;i<20;i++)
                   11                   {

                   12                          a[i] = sc.nextInt();
                   13                   }

                   14               for( i=0;i<20;i++)
                   15                    {

                   16                         if(a[i]%2 == 0)
                   17                               c1++;

                   18                         if(a[i]%2 !=0)
                   19                               c2++;

                   20                         if(a[i]%4 ==0)
                   21                               c3++;

                   22                   }
                   23              System.out.println("Number of even numbers\t "+c1);
                   24              System.out.println("Number of odd numbers\t "+c2);

                   25              System.out.println("Number of multiples of 4\t "+c3);

                   26         }
                   27      }





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