Garbage collector internal references

package funds;

public class Test {
    Test i;
    public static void main(String arg[])
    {
        Test t1=new Test();
        Test t2=new Test();
        Test t3=new Test();
        t1.i=t2;
        t2.i=t3;
        t3.i=t1;
        t1=null; // no object is eligible for Garbage collector
        t2=null; //no object is eligible for Garbage collector
        t3=null; //All three objects are eligible for Garbage collector
    }
}