Question

Write a program in Java to print the sum of the series
1 – 2 + 32 – 4 + 5 - 62 + 7 – 8 + 92 – 10 …n terms

Answer 1

Explanation:

// JAVA program to find summation of series

import java.io.*;

import java.math.*;

import java.text.*;

import java.util.*;

import java.util.regex.*;

class GFG

{

// function to calulate sum of series

static int summingSeries(long n)

{

// use of loop to calculate

// sum of each term

int S = 0;

for (i = 1; i <= n; i++)

S += i * i - (i - 1) * (i - 1);

return S;

}

// Driver code

public static void main(String[] args)

{

int n = 100;

System.out.println("The sum of n term is: " +

summingSeries(n));

}

}

Answer 2

Answer:

Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

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