## Free Data Structures and Algorithms Course

### How to calculate Nth term and Sum of Arithmetic Progression in Java ?.

Program to calculate Nth term and Sum of Arithmetic Progression in Java

import java.util.Scanner;

public class ArithmeticProgression {
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);

double firstTerm = 0;
double numberOfTerms = 0;
double nthTerm = 0;
double commonDifference = 0;
double  sum= 0;
double term = 0;

System.out.print("Enter the value of a (First Term) : ");
firstTerm = input.nextDouble();

System.out.print("Enter the value of d (Common Difference) : ");
commonDifference = input.nextDouble();

System.out.print("Enter the value of n (Number of terms) : ");
numberOfTerms = input.nextDouble();

nthTerm = firstTerm + (numberOfTerms - 1) * commonDifference;

sum = numberOfTerms * (2 * firstTerm + (numberOfTerms - 1) * commonDifference)/2;

System.out.println("");
System.out.println("The Arithmetic Progression is as follows :");

for(int i = 0; i < numberOfTerms; i++){
term = firstTerm + i * commonDifference;
System.out.print(term+" + ");
}

System.out.println("...");
System.out.println("The nthTerm of the series : " + nthTerm);
System.out.println("The Sum of n terms of series : " + sum);
}
}
Output of the program :

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