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  1. import java.util.Scanner;
  2.  
  3. class Parametros {
  4.  
  5.     public static void main(String[] args) throws java.lang.Exception {
  6.         Scanner lectura = new Scanner(System.in);
  7.         double x = leerDouble(lectura);
  8.         double y = leerDouble(lectura);
  9.         System.out.println(x);
  10.         System.out.println(y);
  11.  
  12.         System.out.println("resta: " + resta(x, y));
  13.         System.out.println("suma: " + suma(x, y));
  14.         System.out.println("multiplica: " + multiplica(x, y));
  15.         System.out.println("cuadrado: " + cuadrado(x));
  16.     }
  17.  
  18.     static double suma(double n, double m) {
  19.         return n + m;
  20.     }
  21.  
  22.     static double resta(double n, double m) {
  23.         return n - m;
  24.     }
  25.  
  26.     static double multiplica(double n, double m) {
  27.         return n * m;
  28.     }
  29.  
  30.     static double cuadrado(double n) {
  31.         return n * n;
  32.     }
  33.  
  34.     public static double leerDouble(Scanner reader) {
  35.         System.out.println("Ingrese un numero de tipo double: ");
  36.         return reader.nextDouble();
  37.     }
  38. }
Success #stdin #stdout 0.17s 60760KB
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stdin
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8
6
stdout
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Ingrese un numero de tipo double: 
Ingrese un numero de tipo double: 
8.0
6.0
resta: 2.0
suma: 14.0
multiplica: 48.0
cuadrado: 64.0
https://ideone.com/0vsbZ9
language:
Java (HotSpot 12)
created:
14 days ago
visibility:
public

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