IN JAVA, please

1.Provide the code to construct a Stack object of Double elements, push four Doubles onto the stack, and pop the top two off of the stack. The name of the Stack object as well as the Doubles can be any of your choosing. Include print statements for each of the top Doubles popped off of the stack.

4.Show each step of the evaluation of the following math expression given in infix notation. Include the contents of both stacks for each step.

4 + 6 * 3 2