Page 290 - CA_Blue( J )_Class9
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You will get the following output:
Fibonacci Series upto 10th term :
0, 1, 1, 2, 3, 5, 8, 13, 21, 34
VARIABLE DESCRIPTION
NAME DATATYPE DESCRIPTION
a int First Number
b int Second Number
c int Third Number
i int Loop Variable
n int No. of Terms
Programs based on printing simple series, summation of simple series.
Program 13
S = -1 + 2 - 3 + 4 - 5 + 6 - 7 + 8 - 9 + ……………… + Nth
1 import java.util.*; //importing “util”package
2 class sumseries //class name
3 {
4 public static void main()
5 {
6 Scanner sc = new Scanner(System.in);
7 int n,i,sum=0; // Declaration of Variable
8 System.out.print("Enter nth term : ");
9 n=sc.nextInt();
10 for(i=1;i<=n;i++) //Loop
11 {
12 if(i%2==0) //checking of even or odd
13 sum = sum + i; //calculation of sum
14 else
15 sum = sum - i;
16 }
17 System.out.println("Sum of series : "+sum); //Displaying of sum
18 }
19 }
You will get the following output:
Enter nth term : 9
Sum of series : -5
288 Touchpad Computer Applications-IX

