@@ -0,0 +1,625 @@
+public class Solution %7B%0A    public int evalRPN(String%5B%5D a) %7B%0A        Stack%3CInteger%3E stk = new Stack%3CInteger%3E();%0A        for(int i = 0; i %3C a.length; i++) %7B%0A            if(a%5Bi%5D.equals(%22+%22))%0A                stk.push(stk.pop() + stk.pop());%0A            else if(a%5Bi%5D.equals(%22-%22))%0A                stk.push(- stk.pop() + stk.pop());%0A            else if(a%5Bi%5D.equals(%22*%22))%0A                stk.push(stk.pop() * stk.pop());%0A            else if(a%5Bi%5D.equals(%22/%22))%0A                stk.push((int) (1.0 / stk.pop() * stk.pop()));%0A            else%0A                stk.push(Integer.valueOf(a%5Bi%5D));%0A        %7D%0A        return stk.pop();%0A    %7D%0A%7D%0A

Create 150.java