Question: In Java Write a for (or while) statement to calculate the sum of 1+2+3++n and assign the result to an int type variable named sum.

In Java

Write a for (or while) statement to calculate the sum of 1+2+3++n and assign the result to an int type variable named sum. Assume that sum and int type variable n have been declared and n has been initialized. (Hint: You may need to initialize the sum to be zero first)

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