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import java.util.HashSet;

import java.util.Iterator;

import java.util.Set;

import org.junit.Test;

import solutions.Recursive;

public class TestRecursive {

@Test

public void testAllSubsetsRecursive() {

Set<Integer> s=new HashSet<Integer>();

s.add(0);

s.add(1);

s.add(2);

s.add(3);

s.add(4);

Set<Set<Integer>> sol = Recursive.allSubsetsRecursive(s);

if(sol != null){

System.out.println("{");

Iterator<Set<Integer>> solI=sol.iterator();

Iterator<Integer> csI;

while(solI.hasNext()){

System.out.print("{");

csI=solI.next().iterator();

while(csI.hasNext()){

System.out.print(csI.next().intValue());

System.out.print(" ");

}

System.out.println("}");

}

System.out.println("}");

}

}

}