Question: Please help solving this by using JAVA, using loop if possible. Thanks 3 Summation of squares Write a method which, given an integer n, uses

Please help solving this by using JAVA, using loop if possible.

Thanks

3 Summation of squares Write a method which, given an integer n, uses a for loo to print out the sum of all numbers squared from 1 to n. For example, if the ven integer is 5, the program should print out 55, as 12+22+32 +42+52 55 4 Hourglass Write a method that creates the following figure of an hourglass. You must use nested for loops. This method takes no inputs. nnnuunn

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