(in java language)

Write a method that takes in age and returns an array such that array[0] is the age in years, array[1] is the age in minutes, and array[2] is the age in seconds.

Write a method that does selection sort.

Write a method outputs the numbers 0 through n in binary. (do NOT use a premade Java method.)

Create a method that searches for a substring inside a string. Such as finding the letter combination "aaba" in a paragraph.

Create a method using BigInteger. It should take in two numbers, x and y. It should output:

X to the power Y

X + Y

X / Y

The greater number gcd the lesser number