This is the homework quiz submission form.
Question:
1. Create a package cs2hq1
2. Create a class Vectors. The class will hold 3 coordinates of a vector x, y, z. The type of the coordinates is Double and the values can be mutable.
3. Create a function toString() that will print the vector coordinate following this example: <11, 232, 456>
4. Write a test suite that tests the toString() function.