<br/><img src="https://media.cheggcdn.com/media%2Ff0a%2Ff0a837b5-5915-4fc4-9411-ab1995cf1cc4%2Fimage.png" alt="(1 point) Find the maximum rate of change of f(x, y) = ln(x2 + y2) at the point (4, 4) and the direction in which it occurs. Maximum
<p><strong>MyStack.java</strong></p><p>Implement a stack using linked lists data structure. Implementyour own linked list. You cannot use Java'sjava.util.LinkedList.</p><p>pop(): returns and removes the last value on the stack</p><p>push(String item): Push a given value
InJava please<br/><img src="https://media.cheggcdn.com/media%2F16a%2F16a12cb7-396d-482e-a861-dc73ae3072b3%2Fimage.png" alt="2. Write a program that calculates the volume of a rectangular prism. The length and width are read from user and display the results to console Volume