Question

write a java program to find the sum of natural numbers from 1 to 1000 inclusive (using for loop)

sample output:

sum=500500

Answer 1

The program find the sum of natural number from 1 to 1000:

Code:

public class SumNatural {

public static void main(String[] args) {

int num = 1000, sum = 0;

for(int i = 1; i <= num; ++i)
{
// sum = sum + i;
sum += i;
}

System.out.println("Sum = " + sum);
}
}

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The code finds out the sum of the natural numbers from 1 to 1000

Output is : 500500

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