Scanner keyboard = new Scanner(System.in);
  System.out.print(\"please enter the operand:\");

 e=exp(1.0)
 while((int)((exp(1)-e)*pow(10,14)) !=0){
 for (i=0; i<N;i+1){
  p=1;
 }
  for(j=1; j<i+1; j++){
  e=1/p;
  System.out.print(\"please enter the operand:\");


  {
  case \'+\':
    result=a+b;
    System.out.println(\"result:\"+result);
    break;
  case \'-\':
    result=a-b;
    System.out.println(\"result:\"+result);
    break;
  case \'*\':

 float exp, pow;
 int i, j, N=1;
  a=keyboard.nextDouble();
  System.out.print(\"please enter the operator:\");
  operator=keyboard.nextLine();
 double e=1,p;
   }
  b=keyboard.nextDouble();

  switch(operator.charAt(1))





미칠듯한 코드. 알바가 지울까