Write a java program to find out the sum of harmonic series :
1 + ½ + 1/3 + ……… up to nth term , for any value of n.
Answers were Sorted based on User's Feedback
Answer / sourav dey
import java.io.*;
class Hermonic{
public static void main(String args[]){
BufferedReader in=new BufferedReader(new
InputStreamReader(System.in));
double result = 0.0;
int num=0;
try{
System.out.println("Enter a term which you want to sum:");
num = Integer.parseInt(in.readLine());
}
catch(Exception e){}
while(num > 0){
result = result +( (double) 1 / num);
num--;
}
System.out.println("Output of Harmonic Series is "+result);
}
}
Is This Answer Correct ? | 12 Yes | 0 No |
Answer / s
package com.adder;
import java.math.BigDecimal;
import java.math.RoundingMode;
public class GeneralJava {
/**
* @param args
*/
public static void main(String[] args) {
System.out.println(new GeneralJava().process
(10));
}
private double process(int n) {
BigDecimal retVal = BigDecimal.ZERO;
for (int i=1; i<= n; i++) {
BigDecimal adder =
BigDecimal.ONE.divide(BigDecimal.valueOf(i),10,
RoundingMode.HALF_UP);
retVal = retVal.add(adder);
}
return retVal.doubleValue();
}
}
Is This Answer Correct ? | 4 Yes | 4 No |
What is Servlet Filter And What does it work?
What are the different approaches to represent an inheritance hierarchy?
Difference between loadclass and class.forname?
When a thread blocks on i/o, what state does it enter?
Define prototype?
How will the struts know which action class to call when you submit a form?
AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?
can a static method be overridden
Different between Struts and Spring? or Why use Spring, if you are already using Struts?
When a thread terminates its processing, it enters into what state?
Have you used threads in Servelet?
What is ioc concept & explain it?