Here in this program I showed to count the how many even
numbers from 1 to n/given number.
Even numbers from 0 to 20: 2, 4, 6, 8, 10, 12, 14, 16, 18,
20
Total even numbers from 1 to 20 :11
import java.util.Scanner;
public class EvenNumbers {
public static void main(String[] arg){
int number,count=0;
Scanner sc=new Scanner(System.in);
System.out.println("Enter any number :");
number=sc.nextInt();
System.out.println("Even Numbers are");
for(int i=0;i<=number;i++){
if(i%2==0){
System.out.print(i+" ");
count++;
}
}
System.out.println();
System.out.println("total even numbers from 1 to "+number+" :"+count);
}
}
/*
Output:
Enter any number :
20
Even Numbers are
2 4 6 8 10 12 14 16 18 20
total even number from 1 to 20 :10
*/
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