2. If the leftmost character is an operand, set it as the current output to the Postfix string. If the scanned character is the operator and the Stack is empty push the operator into the Stack. 3. If ...

1. At first we'll make simple push and pop function 2. If the leftmost character is an operand, set it as the current output to the Postfix string. If the scanned character is the operator and the ...