OOPs

31. Write a Java program to create a class called Car with private instance variables company_name, model_name, year, and mileage. Provide public getter and setter methods to access and modify the company_name, model_name, and year variables. However, only provide a getter method for the mileage variable.

            class Car{
                private String company, model, year;
                private double mileage = 15;
                public void setCompany(String cmpny){
                    company = cmpny;
                }
                public void setModel(String m){
                    model = m;
                }
                public void setYear(String yy){
                    year = yy;
                }
                public String getCompany(){
                    return company;
                }
                public String getModel(){
                    return model;
                }
                public String getYear(){
                    return year;
                }
                public double getMileage(){
                    return mileage;
                }
            }
            class Main{
                public static void main(String[] args){
                    Car bmw = new Car();
                    bmw.setCompany("BMW");
                    bmw.setModel("X1");
                    bmw.setYear("2022");
                    System.out.println("Car Company : " + bmw.getCompany());
                    System.out.println("Car Model : " + bmw.getModel());
                    System.out.println("Car Year : " + bmw.getYear());
                    System.out.println("Car Mileage : " + bmw.getMileage());	
                }
            }
        

OUTPUT

            Car Company : BMW
            Car Model : X1
            Car Year : 2022
            Car Mileage : 15.0