i compiled my java program and run in eclipse platform and also provide input but not got the output? There is any Logical Error in program

Question

This is Selection Based Java Program. So in these program user have to provide the Vegetarian as V and Non-Vegetarian as N and it will take integer value for quantity and distance. So, when I saved and run the program it takes the value of the user parameter but didn't print the output I also check the errors in the eclipse editor.

#Program

'''

package demo;
import java.util.Scanner;

public class FoodCorner {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int vegCombo = 12;
        int nonvegCombo = 15;
        int totalCost = 0;
        int charge = 0;
        
        System.out.println("Enter the type of Food Item as Vegeterian 'V' and for Non-Vegeterian as 'N'");
        String foodType = scan.nextLine();
        System.out.println("Enter the Quantity of food Item");
        int quantity = scan.nextInt();
        System.out.println("Enter the Distance for delivery");
        float distance = scan.nextFloat();
        
        while(distance > 3) {
            charge++;
            distance = distance - 3;
        }
        
        if(distance > 0 && quantity >= 1) {         
            if(foodType == "V") {
                totalCost = (vegCombo * quantity) + charge;
                System.out.println("The total cost of your order is: "+totalCost);
            }
            else if(foodType == "N") {
                totalCost = (nonvegCombo * quantity) + charge;
                System.out.println("The total cost of your order is: "+totalCost);
            }
        }
        
        else {
            System.out.println("the bill amount is -1");
        }
        
    }
}

'''

Answer 1

Use below code snippet. Notice the line if("V".equals(foodType)) instead of if(foodType == "V").

public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int vegCombo = 12;
        int nonvegCombo = 15;
        int totalCost = 0;
        int charge = 0;

        System.out.println("Enter the type of Food Item as Vegeterian 'V' and for Non-Vegeterian as 'N'");
        String foodType = scan.nextLine();
        System.out.println("Enter the Quantity of food Item");
        int quantity = scan.nextInt();
        System.out.println("Enter the Distance for delivery");
        float distance = scan.nextFloat();

        while(distance > 3) {
            charge++;
            distance = distance - 3;
        }

        if(distance > 0 && quantity >= 1) {
            if("V".equals(foodType)) {
                totalCost = (vegCombo * quantity) + charge;
                System.out.println("The total cost of your order is: "+totalCost);
            }
            else if("N".equals(foodType)) {
                totalCost = (nonvegCombo * quantity) + charge;
                System.out.println("The total cost of your order is: "+totalCost);
            }
        }

        else {
            System.out.println("the bill amount is -1");
        }

    }