Ok so I have to read in a postfix expression from a file. The postfix expression must have spaces to separate each operator or operand. What I have so far works only if there is no spaces between the operators or operands in the input file. (i.e. if the file has 12+ the result I … Read more
Here is simple code for calculator so you can consider this import java.util.*; import java.util.Scanner; public class Hello { public static void main(String[] args) { System.out.println(“Enter first and second number:”); Scanner inp= new Scanner(System.in); int num1,num2; num1 = inp.nextInt(); num2 = inp.nextInt(); int ans; System.out.println(“Enter your selection: 1 for Addition, 2 for substraction 3 for … Read more
