1. Draw the following figures: a. Draw a figure similar to that on p.245 of your text, showing the stack after the following sequence of operations: StackAllocatr s= new StackAllocatr(12); s. push (3); s. push (2); s. push (3); b. Draw a figure similar to that on p.251 of your text, showing the heap after the following sequence of operations: HeapAllocatr h= new HeapAllocatr(12); int x=h, newH (4); int y=h. hew H(2); h. deleteH (x); int z=h. newH (3)