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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 Exception {
  11. 		Circle circle = new Circle(1);
  12.  
  13. 		System.out.printf("The circle's area          is %.2f \n", circle.getArea() );
  14. 		System.out.printf("The circle's diameter      is %.2f \n", circle.getDiameter());
  15. 		System.out.printf("The circle's circumference is %.2f \n", circle.getCircumference());
  16.  
  17. 		System.out.println("-----------");
  18.  
  19. 	    System.out.printf("The circle's %-13s is %.2f\n", "area", circle.getArea());
  20. 	    System.out.printf("The circle's %-13s is %.2f\n", "diameter", circle.getDiameter());
  21. 	    System.out.printf("The circle's %-13s is %.2f\n", "circumference", circle.getCircumference());
  22.  
  23. 		System.out.println("-----------");
  24.  
  25. 	    System.out.printf("%-26s is %.2f\n","The circle's area",  circle.getArea());
  26. 	    System.out.printf("%-26s is %.2f\n","The circle's diameter", circle.getDiameter());
  27. 	    System.out.printf("%-26s is %.2f\n","The circle's circumference", circle.getCircumference());
  28. 	}
  29.  
  30. }
  31.  
  32. class Circle{
  33. 	private double r;
  34. 	public double getArea(){
  35. 		return Math.PI*r*r;
  36. 	}
  37. 	public double getDiameter(){
  38. 		return 2*r;
  39. 	}
  40. 	public double getCircumference(){
  41. 		return 2*Math.PI*r;
  42. 	}
  43. 	public Circle(double r) {
  44. 		this.r = r;
  45. 	}
  46.  
  47. }
Success #stdin #stdout 0.1s 320256KB
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stdin
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Standard input is empty
stdout
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The circle's area          is 3.14 
The circle's diameter      is 2.00 
The circle's circumference is 6.28 
-----------
The circle's area          is 3.14
The circle's diameter      is 2.00
The circle's circumference is 6.28
-----------
The circle's area          is 3.14
The circle's diameter      is 2.00
The circle's circumference is 6.28
https://ideone.com/jIMg9D
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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