Taller - Jekajar2015/OPP2015 GitHub Wiki

Ejercicio 2

import java.util.Scanner; /* To change this template, choose Tools | Templates and open the template in the editor. *//** * @author JEKAJAR */

public class Spaces { 

 static void spaces(int x) {
    if (x >= 10) {
        spaces(x / 10);
    }
    System.out.print( x % 10 + "   ");

} 

    public static void main(String[] args) {
    int number;
    Scanner userInput = new Scanner(System.in);
    number = userInput.nextInt();
    spaces(number);
    }

}

Ejercicio 3

/*

  • To change this template, choose Tools | Templates
  • and open the template in the editor. */

/** *

  • @author JEKAJAR */

import java.util.*;

public class Average {

static void average(Stack<Integer> stack){
	float average = 0;
	int numElements = stack.size();
	while(!stack.isEmpty()){
		average = average + stack.pop(); 
	}
	average = average / numElements;
	System.out.println("El promedio es " + average);
}

public static void main(String[] args) {
	boolean next = true;
	int number;
	Stack<Integer> stack = new Stack<Integer>();
	Scanner userInput = new Scanner(System.in);
	while(next){
		System.out.println("Ingrese un número: ");
		number = userInput.nextInt();
		if ( number == 9999){
			next = false;
			average(stack);
		}
		stack.push(new Integer(number));
	}
	
	System.out.println("End");
}

}

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