gistfile1.java

// Enhanced for loop (For each)
public int sum(int[] nums)
{
	int sum = 0;
	for (int num : nums)
	{
		sum += num * num
	}
	return sum;
}

// For loop
public int sum(int[] nums)
{
	int sum = 0;
	for (int i = 0; i < nums.length; i++)
	{
		sum += nums[i] * nums[i]
	}
	return sum;
}

// While loop
public int sum(int[] nums)
{
	int sum = 0;
	int i = 0;
	while (i < nums.length)
	{
		sum += nums[i] * nums[i]
		i++;
	}
	return sum;
}