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package TreeSet;

import java.util.TreeSet;

import java.util.Iterator;

import java.util.Comparator;

class NewTreeComparator implements Comparator<Float> {

public int compare(Float obj1, Float obj2) {

if (((Float)obj1).equals((Float)obj2)) {

return -1;

}

// using compareTo() to ensure

return obj2.compareTo(obj2);

}

}

// Main class

// TreeSetDemo class

public class TreeSetDemo17 {

public static void main(String[] args) {

TreeSet<Float> ts = new TreeSet<>(new NewTreeComparator());

TreeSet<Float> ts1 = new TreeSet<>(new NewTreeComparator());

ts.add(10.58f);

ts.add(20.78f);

ts.add(30.65f);

ts.add(10.47f);

ts.add(50.98f);

ts.add(60.65f);

ts1.add(10.55f);

ts1.add(20.78f);

ts1.add(34.65f);

ts1.add(45.78f);

ts1.add(57.98f);

ts1.add(99.65f);

Iterator<Float> it = ts.iterator();

while (it.hasNext()) {

System.out.println(it.next());

}

//As 20.78f is present in both the treeset, it will return -1 . i.e.

//it will end the iterations.

System.out.println(ts.comparator().compare( 99.65f, 10.58f)) ;

// Return 0 as both numbers are compared.

System.out.println(ts.comparator().compare(20.78f, 20.78f)) ;

//Return -1 as both numbers are equal.

}

}