title: Create table in android studio
body: <p>Error : android.database.sqlite.SQLiteException: table User has no column named name (code 1): , while compiling: INSERT INTO User(name,balance,password,age) VALUES (?,?,?,?)</p>
  
  <pre><code>public class NewUserTable {
  
      int _id;
      String _name;
      String _password;
      int _balance;
      int _age;
      public NewUserTable(){
  
      }
      public NewUserTable( String name, String password, int balance, int age){
          this._name = name;
          this._password = password;
          this._balance = balance;
          this._age = age;
      }
      public NewUserTable( int id, String name, String password, int balance, int age){
          this._id = id;
          this._name = name;
          this._password = password;
          this._balance = balance;
          this._age = age;
      }
      public  int getID(){
          return this._id;
      }
      public void setID(int id){
          this._id = id;
      }
      public String getName(){
          return this._name;
      }
      public void setName(String name){
          this._name = name;
      }
      public String getPassword(){
          return this._password;
      }
      public void setPassword(String password){
          this._password = password;
      }
      public int getBalance(){
          return _balance;
      }
      public void setBalance(int balance){
          this._balance = balance;
      }
      public int getAge(){
          return _age;
      }
      public void setAge(int age){
          this._age = age;
      }
  }
  public class DatabaseHandler extends SQLiteOpenHelper {
  //----------- TABLE COLUMNS -----------//
  public static final String KEY_ID = "id"; // eash user has unique id
  public static final String KEY_NAME = "name";
  public static final String KEY_PASSWORD = "password";
  public static final String KEY_BALANCE = "balance";
  public static final String KEY_AGE ="age";
  //----------- TABLE COLUMNS -----------//
  private static final String DATABASE_NAME = "newUser";
  private static final String TABLE_NAME = "User";
  public DatabaseHandler(Context context){
      super(context, DATABASE_NAME, null, DATABASE_VERSION);
  }
  private static final int DATABASE_VERSION = 1;
  @Override
  public void onCreate(SQLiteDatabase db) {
  String CREATE_NEWUSER_TABLE = "CREATE TABLE " + TABLE_NAME + "("
          + KEY_ID + "INTEGER PRIMARY KEY," + KEY_NAME +
          "TEXT," + KEY_PASSWORD + "TEXT," + KEY_BALANCE + "INTEGER,"
          + KEY_AGE + "INTEGER" + ")";
      db.execSQL(CREATE_NEWUSER_TABLE);
  }
  
  @Override
  public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
  db.execSQL("DROP TABLE IF EXISTS" + TABLE_NAME);
      onCreate(db);
  }
  
  public int getUsersCount() {
      String countQuery = "SELECT  * FROM " + TABLE_NAME;
      SQLiteDatabase db = this.getReadableDatabase();
      Cursor cursor = db.rawQuery(countQuery, null);
      cursor.close();
      // return count
      return cursor.getCount();
  }
  // добавить новую запись
  public void addUser(NewUserTable newUserTable){
      SQLiteDatabase db = this.getWritableDatabase();
      ContentValues values = new ContentValues();
      values.put(KEY_NAME,newUserTable.getName());
      values.put(KEY_PASSWORD,newUserTable.getPassword());
      values.put(KEY_BALANCE,newUserTable.getBalance());
      values.put(KEY_AGE,newUserTable.getAge());
      db.insert(TABLE_NAME, null, values);
      db.close();
  }
  // считать записи
  public NewUserTable getContact(int id) {
      SQLiteDatabase db = this.getReadableDatabase();
  
      Cursor cursor = db.query(TABLE_NAME, new String[] { KEY_ID,
                      KEY_NAME, KEY_PASSWORD, KEY_BALANCE, KEY_AGE }, KEY_ID + "=?",
              new String[] { String.valueOf(id) }, null, null, null, null);
      if (cursor != null)
          cursor.moveToFirst();
  
      NewUserTable newUserTable = new NewUserTable(Integer.parseInt(cursor.getString(0)),cursor.getString(1),cursor.getString(2), Integer.parseInt(cursor.getString(3)),
              Integer.parseInt(cursor.getString(4)));
      // return contact
      return newUserTable;
  }
  </code></pre>
  
  <p>}</p>
  
  <pre><code>public class CreateUserActivity extends AppCompatActivity {
  EditText etName;
  EditText etPassword;
  EditText etBalance;
  EditText etAge;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_create_user);
  }
  
  public void CreateUser(View view) {
      etName = (EditText)findViewById(R.id.etName);
      etPassword = (EditText)findViewById(R.id.etPassword);
      etBalance = (EditText)findViewById(R.id.etBalance);
      etAge = (EditText)findViewById(R.id.etAge);
      String name = String.valueOf(etName.getText());
      String password = String.valueOf(etPassword.getText());
      int balance = Integer.parseInt(String.valueOf(etBalance.getText()));
      int age = Integer.parseInt(String.valueOf(etAge.getText()));
  
      //write to database from our edit texts
      DatabaseHandler db = new DatabaseHandler(this);
      Log.d("Insert: ", "Inserting ..");
      db.addUser(new NewUserTable(name,password,balance,age));
  }
  </code></pre>
  
  <p>}
  Where is the problem? And how can i see the database result?</p>