Created
October 14, 2010 03:23
-
-
Save lfborjas/625496 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package ejercicios; | |
import java.util.ArrayList; | |
import java.util.Random; | |
import java.util.Arrays; | |
public class Conjuntos{ | |
private static ArrayList<String> union(ArrayList<String> primero, ArrayList<String> segundo){ | |
ArrayList<String> retVal = new ArrayList<String>(primero); | |
for(String worte: segundo){ | |
if(!primero.contains(worte)) | |
retVal.add(worte); | |
} | |
return retVal; | |
} | |
private static ArrayList<String> interseccion(ArrayList<String> a, ArrayList<String> b){ | |
ArrayList<String> c = new ArrayList<String>(); | |
ArrayList<String> iter = a.size() > b.size() ? a : b; | |
for(String elem: iter){ | |
if(a.contains(elem) && b.contains(elem)){ | |
c.add(elem); | |
} | |
} | |
return c; | |
} | |
private static ArrayList<String> diferencia(ArrayList<String> a, ArrayList<String> b){ | |
ArrayList<String> c = new ArrayList<String>(); | |
for(String elem: a) | |
if(!b.contains(elem)){c.add(elem);} | |
return c; | |
} | |
public static void main(String[] args){ | |
ArrayList<String> primero = new ArrayList(Arrays.asList(args[0].split(","))); | |
ArrayList<String> segundo = new ArrayList(Arrays.asList(args[1].split(","))); | |
System.out.printf("Unión: \n El primero: %s\n El segundo: %s\n La unión: %s\n", primero, segundo, union(primero, segundo)); | |
System.out.printf("Intersección\n El primero: %s\n El segundo: %s\n La interseccion: %s\n", primero, segundo, interseccion(primero, segundo)); | |
System.out.printf("Diferencia\n El primero: %s\n El segundo: %s\n La diferencia: %s\n", primero, segundo, diferencia(primero, segundo)); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment