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 }
279
Arrays 279

