package javaapplication10;

import java.util.HashSet;
import java.util.Objects;
import java.util.Set;


class ListSet<T> implements Set<T> {

    private List<T> bs = new LinkedList<T>();

    @Override
    public int size() {
        return bs.size();
    }

    @Override
    public boolean isEmpty() {
        return bs.isEmpty();
    }

    @Override
    public boolean contains(Object o) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public Iterator<T> iterator() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public Object[] toArray() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public <T> T[] toArray(T[] a) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public boolean add(T e) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public boolean remove(Object o) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public boolean containsAll(Collection<?> c) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public boolean addAll(Collection<? extends T> c) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public boolean retainAll(Collection<?> c) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public boolean removeAll(Collection<?> c) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public void clear() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

}

class Fraction
{
    char num, den;
    boolean isReal;
    float _doubleValue;
    String _englishVersion;


    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Fraction other = (Fraction) obj;
        if (this.num != other.num) {
            return false;
        }
        if (this.den != other.den) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        int hash = 3;
        hash = 19 * hash + this.num;
        hash = 19 * hash + this.den;
        hash = 19 * hash + (this.isReal ? 1 : 0);
        hash = 19 * hash + Float.floatToIntBits(this._doubleValue);
        hash = 19 * hash + Objects.hashCode(this._englishVersion);
        return hash;
    }

}

public class JavaApplication10 {


    public static void main(String[] args) {
       Set<String> hashSet = new HashSet<>();
       Set<String> listSet = new ListSet<>();

       String s = randomString();


    }

    private static String randomString() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

}