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Java Program to calculate sum of First N Natural numbers

Get input n and calculate the sum of first n natural numbers.

Sample Input 1:


Sample Output 1:

The sum is: 15

Program or Solution


Program Explanation

Instruction(s) inside the for block{} are executed repeatedly till the second expression (ifor block are executed unless i becomes greater than lim.

so value of i (1,2,3,...n)will be added to sum.

after adding all n natural numbers to sum, sum will be printed using system.out.println.