Nova classe do square...

Square.java

package com.main;

import java.util.Arrays;

/**
 * Created by Lucas Sousa on 13/02/17.
 */
public class Square {

    private int[] u_pecas = {0,1,1,0,1,1,0,1,1,0,1,1};
    private int[] d_pecas = {0,1,1,0,1,1,0,1,1,0,1,1};

    private int x, y;

    public void U_D(int x, int y){
        U(x); /**/ D(y);
    }

    public void U(int movimento){
        for (int i = 0; i < 12 + movimento; i++){

            up();
        }

        x = movimento;
    }

    public void D(int movimento){
        for (int i = 0; i < 12 + movimento; i++){

            down();
        }

        y = movimento;
    }

    private void up(){
        int[] aux = new int[12];

        aux[0] = u_pecas[u_pecas.length - 1];

        System.arraycopy(u_pecas, 0, aux, 1, aux.length - 1);

        u_pecas = aux;
    }

    private void down(){
        int[] aux = new int[12];

        aux[0] = d_pecas[d_pecas.length - 1];

        System.arraycopy(d_pecas, 0, aux, 1, aux.length - 1);

        d_pecas = aux;
    }

    public void barra(){
        int[] u = Arrays.copyOfRange(u_pecas, 1, 7);

        int[] d = Arrays.copyOfRange(d_pecas, 0, 6);

        for (int i = 0; i < 6; i++){

            u_pecas[i+1] = d[i];

            d_pecas[i] = u[i];
        }
    }

    public boolean bloqueado(){
        return (u_pecas[0] == 1 && u_pecas[1] == 1)

                || (u_pecas[6] == 1 && u_pecas[7] == 1)

                || (d_pecas[11] == 1 && d_pecas[0] == 1)

                || (d_pecas[5] == 1 && d_pecas[6] == 1);
    }

    public boolean mesmoShape(Square x){
        boolean mesmoShape = false;

        for (int i = 0; i < 12; i++){

            if ((x.getU_pecas()[i] == u_pecas[i]) && (x.getD_pecas()[i] == d_pecas[i])){

                mesmoShape = true;
            } else {

                mesmoShape = false;

                break;
            }
        }

        return mesmoShape;
    }

    public int[] getU_pecas() {

        return u_pecas;
    }

    public int[] getD_pecas() {

        return d_pecas;
    }

    @Override
    public String toString() {
        return "Topo: " + Arrays.toString(u_pecas) + "\n" +

                "Base: " + Arrays.toString(d_pecas) + "\n\n" +

                "Bloqueado: " + bloqueado();
    }
}