Print Series 1, -3, 5, -7, …………n terms in Java.
import java.util.Scanner;
public class OddSeries
{
public static void main(String args[])
{
Scanner sc = new Scanner(System.in);
System.out.print("Enter the number of terms: ");
int n = sc.nextInt();
int i = 1, c, f = 1; // i for odd nos, c for counter, f for flag
for (c = 1; c <= n; c++) {
if (f % 2 == 0) {
System.out.print(-i + " ");
} else {
System.out.print(i + " ");
}
i += 2;
f++;
} //Loop ends
}
}
Output:
Enter the number of terms: 6
1 -3 5 -7 9 -11......
BUILD SUCCESSFUL (total time: 6 seconds)
public class OddSeries
{
public static void main(String args[])
{
Scanner sc = new Scanner(System.in);
System.out.print("Enter the number of terms: ");
int n = sc.nextInt();
int i = 1, c, f = 1; // i for odd nos, c for counter, f for flag
for (c = 1; c <= n; c++) {
if (f % 2 == 0) {
System.out.print(-i + " ");
} else {
System.out.print(i + " ");
}
i += 2;
f++;
} //Loop ends
}
}
Output:
Enter the number of terms: 6
1 -3 5 -7 9 -11......
BUILD SUCCESSFUL (total time: 6 seconds)
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Category: Core Java, Interview Question, Programs, Seriers, Written Test
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