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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. 		System.out.println("Make your arithmetic selection from the choices below:\n");
  13. 		System.out.println("  A. Addition");
  14. 		System.out.println("  S. Substraction");
  15. 		System.out.println("  M. Multiplication");
  16. 		System.out.println("  D. Division");
  17. 		System.out.println("  E. Exponents\n");
  18.  
  19. 		Scanner choice = new Scanner(System.in);
  20. 		String letter = choice.nextLine();
  21. 		char ch = letter.charAt(0);
  22. 		System.out.print("Your Choice:" + " " + letter + "\n");
  23.  
  24. 		System.out.print("\nEnter first number: ");
  25. 		double op1 = choice.nextDouble();
  26. 		System.out.println(op1);
  27. 		System.out.print("\nEnter second number: ");
  28. 		double op2 = choice.nextDouble();
  29. 		System.out.println(op2);
  30.  
  31. 		System.out.println("\n");
  32.  
  33. 		switch(ch)
  34. 		{
  35. 			case 'A': 
  36. 			case 'a':
  37. 				System.out.println(op1 + " plus " + op2 + " = "+(op1+op2));
  38. 				break;
  39. 			case 'S': 
  40. 			case 's':
  41. 				System.out.println(op1 + " minus " + op2 + " = "+(op1-op2));
  42. 				break;
  43. 			case 'M': 
  44. 			case 'm':
  45. 				System.out.println(op1 + " times " + op2 + " = "+(op1*op2));
  46. 				break;
  47. 			case 'D': 
  48. 			case 'd':
  49. 				System.out.println(op1 + " divided by " + op2 + " = "+(op1/op2));
  50. 				break;
  51. 			case 'E': 
  52. 			case 'e':
  53. 				System.out.println(op1 + " to the power of " + op2 + " = "+ Math.pow(op1, op2));
  54. 				break;
  55. 			default:
  56. 				System.out.println("Not an option! Regard the following options above!");
  57. 		}
  58.  
  59. 	}
  60. }
Success #stdin #stdout 0.26s 61316KB
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stdin
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M.
2.5
8
stdout
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Make your arithmetic selection from the choices below:

  A. Addition
  S. Substraction
  M. Multiplication
  D. Division
  E. Exponents

Your Choice: M.

Enter first number: 2.5

Enter second number: 8.0


2.5 times 8.0 = 20.0
https://ideone.com/6C3m1c
language:
Java (HotSpot 12)
created:
1 day ago
visibility:
public

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