Page 225 - ComputerScience_Class_11

31 for(i=1; i<=n; i++)

32 {

33 s=s*10+1;
34 System.out.print(s+ " , ");
35 }

36 break;
37 default: System.out.println("Wrong Choice");

38 }
39 }

40 }

The output of the preceding program is as follows:

BlueJ: Terminal Window - Java

Options

a. s = 1 - 4 + 9 - 16 + ………… to n terms
b. 1, 11, 111, 1111, ……..… to n terms
Enter your choice
a
th
Enter n term
5
Sum = 15

Program 11 Write a program in Java to find the sum of the given series after accepting the value of ‘n’
from the user.

1
1
1
1. s = 1 + + + ….. +
2 3 n
1 2 3 4
2. s = + + + + …. + to n terms
a a a a
1 import java.util.*;
2 class series2
3 {
4 public static void main(String args[])

5 {
6 Scanner sc= new Scanner(System.in);

7 int ch, n, i;
8 double s=0, a;
9 System.out.println("1. s = 1 + 1/2 + 1/3 + ..... 1/n");

Statements and Scope 223