ex1-2 24 giugno

package esercizio3.iterable;

import java.util.Iterator;
import java.util.NoSuchElementException;

public class IterableString {

    public String testo;

    public IterableString(String s)
    {
        this.testo = s;
    }

    public Iterator<Character> iterator()
    {
        return new MYit();
    }

    private class MYit implements Iterator<Character>
    {
        int pos = 0;
        @Override
        public boolean hasNext() {
            return pos >= 0 || pos < IterableString.this.testo.length();
        }

        @Override
        public void remove() {

            if (!hasNext()) throw new IllegalStateException("pos minore");

            Character toBeRemoved = IterableString.this.testo.charAt(pos);

            String temp = new String();
            for (int i = 0; i < IterableString.this.testo.length(); i++)
            {
                if (pos != i)
                    temp = temp + IterableString.this.testo.charAt(i);
            }

            IterableString.this.testo = temp;

        }

        @Override
        public Character next() {

            if(!hasNext())
            {
                throw new NoSuchElementException("Has no next element");
            }
            Character ritorno = IterableString.this.testo.charAt(pos);
            pos++;

            return ritorno;
        }
    }
}


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package esercizio1;

import java.util.Arrays;

public class Esercizio1 {

    public void ordina(int[][] m)
    {

        if ( m == null || m.length == 0) throw new IllegalArgumentException(new String("fuck you"));
        int[] buffer = new int[m.length * m[0].length];
        int buffIter = -1;

        for (int i = 0; i < m.length; i++)
        {
            for (int j = 0; j < m[i].length; j++)
            {
                buffer[++buffIter] = m[i][j];
            }
        }
        Arrays.sort(buffer);
        System.out.println(Arrays.toString(buffer));
        buffIter = 0;
        for (int i = 0; i < m.length; i++) {
            for (int j = 0; j < m[0].length; j++) {
                m[i][j] = buffer[buffIter++];

            }
        }

        System.out.println(Arrays.deepToString(m));
    }




    public static void main(String args[])
    {
        Esercizio1 es = new Esercizio1();
        //int[][] in = {{2,54,6},{3,67,24},{43,68,43},{90,74,76}};
        int[][] in = null;
        es.ordina(in);
    }
}