Hello, this is a question about stack in java code. Thanks for helping!

*I an not good at java code, please add the explanation to make me understand rather than just give me the answer! Thanks a lot!!!

29 Based on the following Java code: (8%, 2 points for each) class Stacks implements StackTypes { int Counter=0; int CntStopper=10; int[] Stack New = new int [10]; public void push (int New Inputs) { if (Counter