ArrayList<Integer> factors(int num)

Description: This method returns an ArrayList populated with the factors of num

Method Call	return value/output
factors(5)	{1,5}
factors(10)	{1,2,5,10}

int sum(ArrayList<Integer> nums)

Description: This method returns the sun of allelements in the list

Method Call	return value/output
sum({1,5})	6
sum(3,4, 2 )	9

void printReverse(ArrayList<String> strs)

Description: This method prints all elements in reverse order

Method Call	return value/output
printReverse({"a","b"})	"b" "a"
printReverse( "xu", "t")	"xu" "t"

double mean(ArrayList<Integer> nums)

Description: This method returns the arithmetic mean of allelements in the list

Method Call	return value/output
mean({1,5})	3
mean(3,4, 2 )	4.5

void printEvens(ArrayList<Integer> nums)

Description: This method prints out all even numbers

Method Call	return value/output
printEvens({1,5 , 6})	6
printEvens(3,4, 2 )	4 , 2

boolean isIdentical(ArrayList<Integer> nums1 , ArrayList<Integer> nums2)

Description: This method returns true if each element in the two ArrayLists is the same

Method Call	return value/output
isIdentical({1,5 , 6} , {1,5,7} )	false
isIdentical({1,5 , 6} , {1,5,6} )	true
isIdentical({1,5 , 6} , {1,5 } )	false

boolean isIdentical(ArrayList<String> strs1 , ArrayList<String> str2)

Description: This method returns true if each element in the two ArrayLists is the same

Method Call	return value/output
isIdentical({"ab", "a"} , { "x", "a"} )	false
isIdentical({"ab", "a"} , { "ab", "a"} )	true
isIdentical({ "xy"} , { "XY"} )	false

**int largest(ArrayList<Integer> nums)

Description: This method returns the largest element in nums

Method Call	return value/output
largest({1,5 , 6})	6
largest (3,4, 2 )	4