Convert String to operator(+*/-) in java

Question

I am using Stack class to calculate simple arithmetic expressions involving integers, such as 1+2*3.your program would execute operations in the order given,without regardin

Answer 1

Do what Ogen suggested and manually check the operator. A quick shortcut to doing the if, else if .... structure is switch, that is

switch(operand) {
case "*":
      break;
case "+":
      break; 
 .....
 default:
}