how can i convert in android checkbox if it is true i want to show on UI if it is true Hello it is false i want to convert hi

public class MainActivity extends AppCompatActivity { int quantity = 2;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activitiy_main);
}

/**
 * This method is called when the plus button is clicked.
 */
public void increment(View view) {
    quantity = quantity + 1;
    displayQuantity(quantity);
}

/**
 * This method is called when the minus button is clicked.
 */
public void decrement(View view) {
    quantity = quantity - 1;
    int someQuantity = 100;
    displayQuantity(quantity);
}


//This method is called when the order button is clicked.
public void submitOrder(View view) {
    EditText nameField = (EditText) findViewById(R.id.name_field);
    String name = nameField.getText().toString();
    // Figure out if user the wants whipped cream topping

    CheckBox whippedCreamCheckBox = (CheckBox) findViewById(R.id.whipped_cream_checkbox);
    boolean hasWhippedCream = whippedCreamCheckBox.isChecked();

// Log.v("MainActivity", "Has Whipped Cream: " + hasWhippedCream);

    // Figure out if the user wants chocolate topping
    CheckBox chocolateCheckBox = (CheckBox) findViewById(R.id.chocolate_checkbox);
    boolean hasChocolate = chocolateCheckBox.isChecked();


    int price = calculatePrice(hasWhippedCream, hasChocolate);
    String priceMessage = createOrderSummary(name, price, hasWhippedCream, hasChocolate);
    displayMessage(priceMessage);
}

/**
 * Calculates the price of the order.
 *
 * @param addWhippedCream is whether or not the user wants whipped cream topping
 * @param addChocolate    is whether or not the user wants chocolate cream topping
 * @return total price
 */
private int calculatePrice(boolean addWhippedCream, boolean addChocolate) {
    // price of 1 of cup coffee
    int basePrice = 5;

    // add $1 if the use wants whipped cream
    if (addWhippedCream) {
        basePrice = basePrice + 1;
    }

    // add $1 if the use wants chocolate
    if (addChocolate) {
        basePrice = basePrice + 2;
    }

    // calculate the total of order price by multiplying by quantity
    return quantity * basePrice;
}

/**
 * @param name            of the customer
 * @param price           of the order
 * @param addWhippedCream is whether or not the user wants whipped cream topping
 * @param addChocolate    is whether or not the user wants whipped cream topping
 * @return
 */

private String createOrderSummary(String name, int price, boolean addWhippedCream, boolean addChocolate) {

    String priceMessage = "Name: " + name;
    priceMessage += "\nQuantity: " + quantity;
    priceMessage += "\nAdd Whipped cream? " + addWhippedCream;
    priceMessage += "\nAdd Chocolate? " + addChocolate;
    priceMessage += "\nTotal: $" + price;
    priceMessage += "\nThank you!";
    return priceMessage;
}

/**
 * This method displays the given quantity value on the screen.
 */
private void displayQuantity(int numberOfCoffee) {
    TextView quantityTextView = (TextView) findViewById(
            R.id.quantity_text_view);
    quantityTextView.setText("" + numberOfCoffee);
}

/**
 * This method displays the given text on the screen.
 */
private void displayMessage(String message) {
    TextView orderSummaryTextView = (TextView) findViewById(R.id.order_summary_text_view);
    orderSummaryTextView.setText(message);
}

} [![enter image description here][1]][1] Add Chocolate? false when it is false on UI i want to show Hello if it is true i want to show hi, how can i replace ?

UI show me True or False i want to show on UI if true I want to show Hello, if it is False i want to show hi, how can i write if else in that code i am now experience can you help me please