Velmm

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

Velmm

public class UserActvity extends AppCompatActivity {

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.user_activity);

Intent in = getIntent();
User user = in.getParcelableExtra("user");
Log.d("User",user.toString());

Velmm

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

User user = new User(1,"velm",25);
Intent i = new Intent(getApplicationContext(),UserActvity.class);
i.putExtra("user",user);

Velmm

public class User implements Parcelable{

private int id;
private String name;
private int age;

public User(int id, String name, int age) {
this.id = id;
this.name = name;
this.age = age;

Velmm

public class RecyclerviewAdapter extends RecyclerView.Adapter<RecyclerviewAdapter.MyViewHolder> {
    private List<Movie> movieList;
    RecyclerviewAdapter(List<Movie> movieList){
        this.movieList = movieList;
    }
    @Override
    public RecyclerviewAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.recyclerview_adapter_layout,parent,false);
        return new MyViewHolder(view);
    }

Velmm

public class MainActivity extends AppCompatActivity implements Callbacks{

    private CoordinatorLayout coordinatorLayout;
    private BottomSheetBehavior behavior;
    private View persistentbottomSheet;
    private TextView cart;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

Velmm

<android.support.design.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/coordinator"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <android.support.design.widget.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

        </android.support.design.widget.AppBarLayout>

Velmm

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/bottomsheet"
    android:layout_width="match_parent"
    android:layout_height="300dp"
    android:layout_alignParentBottom="true"
    android:background="#636262"
    android:orientation="vertical"
    app:behavior_hideable="false"

Velmm

import java.util.Calendar;
import java.util.Date;

public class NextSaturdayMain {
	
	public static void main(String[] args) {
		
		System.out.println(getSaturday(new Date()));
		
	}

Velmm

public class MainActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private RecyclerViewAdapter recyclerViewAdapter;
    private List<Movie> movieList;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);