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  1. import java.text.DecimalFormat;
  2. import java.util.Scanner;
  3. public class PointsTest
  4. {
  5.    public static void main( String[] args )
  6.    {
  7.       Points application = new Points();
  8.       application.calculateDistance();
  9.    }    
  10. } 
  11. public class Points {
  12.  
  13. 	double X, Y; 
  14. 	double x2, y2; 
  15. 	double Distance;
  16.  
  17.  
  18. 	public double calculateDistance(){
  19. 		Scanner keyboard = new Scanner(System.in);
  20.  
  21. 		System.out.print("Type the end-of-file indicator to terminate\n" +
  22. 				"On UNIX/Linux/Mac OS X type <Ctrl> d then press Enter\n" + 
  23. 				"On Windows type <Ctrl> z then press Enter "); 
  24.  
  25. 		String input = keyboard.nextLine();
  26. 		char EndOfFile = input.charAt(0);
  27. 		if (EndOfFile == 'Z'|| EndOfFile =='z' || EndOfFile =='d'|| EndOfFile =='D') //If Z,z,d,D is pressed program ends. Works fine.
  28. 		{keyboard.close();}
  29. 		else
  30. 		{
  31. 			while (EndOfFile != 'Z'|| EndOfFile !='z' || EndOfFile !='d'|| EndOfFile !='D' )
  32. 			{
  33. 				{System.out.print("Or Enter X1 : "); //1
  34. 				double X1 = keyboard.nextDouble(); 
  35. 				System.out.print("Enter Y1 : "); //2
  36. 				double Y1 = keyboard.nextDouble();
  37. 				System.out.print("Enter X2 : "); //3
  38. 				double X2 = keyboard.nextDouble();
  39. 				System.out.print("Enter Y2 : "); //4 
  40. 				double Y2 = keyboard.nextDouble();
  41. 				X = (X2-X1); 
  42. 				Y = (Y2-Y1);
  43. 				x2 = (X*X); 		
  44. 				y2 = (Y*Y);
  45. 				Distance = (x2)+(y2);
  46. 				Distance = Math.sqrt(Distance);
  47. 				DecimalFormat df = new DecimalFormat("#.######");
  48. 				System.out.print("The Distance is : "); //2.8 something
  49. 				System.out.print(df.format(Distance ));
  50. 				if (Distance < 0 ){
  51. 					Distance = Distance * -1;}
  52. 				}
  53. 				Scanner keyboard2 = new Scanner (System.in); //repeats the program so two distances can be found before ending it on the 3rd repeat.
  54. 				System.out.print("\nType the end-of-file indicator to terminate\n" +
  55. 						"On UNIX/Linux/Mac OS X type <Ctrl> d then press Enter\n" + 
  56. 						"On Windows type <Ctrl> z then press Enter ");
  57. 				String input2 = keyboard2.nextLine();
  58. 				char EndOfFile2 = input2.charAt(0);
  59. 				if (EndOfFile2 == 'Z'){  //Should close the program on the 3rd repeat. Instead it errors.
  60. 					keyboard2.close();
  61. 					keyboard.close();
  62. 				}
  63. 			}	
  64. 		 }
  65. 		return Distance;
  66. 	}
  67. }
  68.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:3: error: class PointsTest is public, should be declared in a file named PointsTest.java
public class PointsTest
       ^
Main.java:11: error: class Points is public, should be declared in a file named Points.java
public class Points {
       ^
2 errors
stdout
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Standard output is empty
https://ideone.com/peeoU9
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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