Improved Program

The user might want to see the sum of the first 10 terms, for example:

1/1 + 1/2 + 1/3 + 1/4 +  1/5 +  1/6 +  1/7 +  1/8 +  1/9 +  1/10

Here is the program again, with new blanks for the improvements.

Now the number of terms to sum up (e.g., 10) is a parameter for the value() method:

import java.util.Scanner ;
class HarmonicSeries
{
  double value( int  )
  {
    int term=1 ;
    double sum = 0.0;
    
    while ( term <=  )
    {
      sum += 1.0/term;           // add the next term to sum
      term++ ;                   // increment term
    }

    return sum;
  } 
}

class HarmonicTester
{
  public static void main ( String[] args ) 
  {
    Scanner scan = new Scanner(System.in);
    System.out.print("How many Terms? ");
    int limit = scan.nextInt();
    HarmonicSeries series = new HarmonicSeries();

    System.out.println("Sum of " + limit + " terms:" + series.value( limit ) );

  }
}

Answer:

Improved Program

QUESTION 12: