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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12.        Scanner input = new Scanner(System.in);
  13.  
  14.         //Variables//
  15.         double fnum, snum, anum=0; //(First Number, Second Number, Answer Number)//
  16.         String statement;
  17.  
  18.         //Input//
  19.  
  20.         System.out.println("Enter Statement: ");
  21.         statement = input.nextLine();
  22.  
  23.         System.out.println("Enter First Number: ");
  24.         fnum = input.nextDouble();
  25.  
  26.         System.out.println("Enter Second Number: ");
  27.         snum = input.nextDouble();
  28.  
  29.         //Decision//
  30.  
  31.         switch (statement){
  32.  
  33.         case "Sum":
  34.             anum = fnum + snum;
  35.             System.out.println(anum);
  36.             break;
  37.  
  38.         case "Sub":
  39.             anum = fnum - snum;
  40.             System.out.println(anum);
  41.             break;
  42.  
  43.         case "Mul":
  44.             anum = fnum * snum;
  45.             System.out.println(anum);
  46.             break;
  47.  
  48.         case "Div":
  49.             anum = fnum / snum;
  50.             System.out.println(anum);
  51.             break;
  52.  
  53.         default:
  54.             System.out.println("STATEMENT UNDEFINED");
  55.             break;
  56.  
  57.         }
  58. 	}
  59. }
Success #stdin #stdout 0.15s 31532KB
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stdin
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Mul
3.2
3.4
stdout
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Enter Statement: 
Enter First Number: 
Enter Second Number: 
10.88
https://ideone.com/FZaRRI
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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