Computer Applications
Write a program in Java to print the following series:
3, 6, 12, 24, 48, ….. to n
Java
Java Iterative Stmts
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Answer
import java.util.Scanner;
public class KboatSeries
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter n: ");
int n = in.nextInt();
int t = 3;
for (int i = 1; i <= n; i++) {
System.out.print(t + " ");
t *= 2;
}
}
}Output
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Related Questions
Define a class to accept a number and check whether it is a SUPERSPY number or not. A number is called SUPERSPY if the sum of the digits equals the number of the digits.
Example1:
Input: 1021 output: SUPERSPY number [SUM OF THE DIGITS = 1+0+2+1 = 4, NUMBER OF DIGITS = 4 ]Example2:
Input: 125 output: Not an SUPERSPY number [1+2+5 is not equal to 3]Rewrite the following do while program segment using for:
x = 10; y = 20; do { x++; y++; } while (x<=20); System.out.println(x * y );To execute a loop 10 times, which of the following is correct?
- for (int i=11;i<=30;i+=2)
- for (int i=11;i<=30;i+=3)
- for (int i=11;i<20;i++)
- for (int i=11;i<=21;i++)