Added Java lab programs

2026-05-16 19:35:25 +00:00 · 2025-12-17 16:36:20 +05:30
parent ac2904f5db
commit 2f4beade3b
46 changed files with 882 additions and 0 deletions
@@ -0,0 +1,134 @@
+import java.util.Scanner;
+
+// ---------- SUPER CLASS ----------
+class Car {
+
+    int speed;
+    double regularPrice;
+    String color;
+
+    Car(int speed, double regularPrice, String color) {
+        this.speed = speed;
+        this.regularPrice = regularPrice;
+        this.color = color;
+    }
+
+    double getSalePrice() {
+        return regularPrice;
+    }
+}
+
+// ---------- SUB CLASS : TRUCK ----------
+class Truck extends Car {
+
+    int weight;
+
+    Truck(int speed, double regularPrice, String color, int weight) {
+        super(speed, regularPrice, color);
+        this.weight = weight;
+    }
+
+    double getSalePrice() {
+        if (weight > 2000) return regularPrice * 0.90;
+        // 10% discount
+        else return regularPrice * 0.80; // 20% discount
+    }
+}
+
+// ---------- SUB CLASS : FORD ----------
+class Ford extends Car {
+
+    int year;
+    int manufacturerDiscount;
+
+    Ford(
+        int speed,
+        double regularPrice,
+        String color,
+        int year,
+        int manufacturerDiscount
+    ) {
+        super(speed, regularPrice, color);
+        this.year = year;
+        this.manufacturerDiscount = manufacturerDiscount;
+    }
+
+    double getSalePrice() {
+        return super.getSalePrice() - manufacturerDiscount;
+    }
+}
+
+// ---------- SUB CLASS : SEDAN ----------
+class Sedan extends Car {
+
+    int length;
+
+    Sedan(int speed, double regularPrice, String color, int length) {
+        super(speed, regularPrice, color);
+        this.length = length;
+    }
+
+    double getSalePrice() {
+        if (length > 20) return regularPrice * 0.95;
+        // 5% discount
+        else return regularPrice * 0.90; // 10% discount
+    }
+}
+
+// ---------- MAIN CLASS ----------
+public class MyOwnAutoShop {
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        // ---- Sedan Object ----
+        System.out.println("Enter Sedan details:");
+        System.out.print("Speed: ");
+        int sSpeed = sc.nextInt();
+        System.out.print("Regular Price: ");
+        double sPrice = sc.nextDouble();
+        sc.nextLine();
+        System.out.print("Color: ");
+        String sColor = sc.nextLine();
+        System.out.print("Length: ");
+        int sLength = sc.nextInt();
+
+        Sedan sedan = new Sedan(sSpeed, sPrice, sColor, sLength);
+
+        // ---- Ford Object ----
+        System.out.println("\nEnter Ford details:");
+        System.out.print("Speed: ");
+        int fSpeed = sc.nextInt();
+        System.out.print("Regular Price: ");
+        double fPrice = sc.nextDouble();
+        sc.nextLine();
+        System.out.print("Color: ");
+        String fColor = sc.nextLine();
+        System.out.print("Year: ");
+        int fYear = sc.nextInt();
+        System.out.print("Manufacturer Discount: ");
+        int fDiscount = sc.nextInt();
+
+        Ford ford = new Ford(fSpeed, fPrice, fColor, fYear, fDiscount);
+
+        // ---- Car Object ----
+        System.out.println("\nEnter Car details:");
+        System.out.print("Speed: ");
+        int cSpeed = sc.nextInt();
+        System.out.print("Regular Price: ");
+        double cPrice = sc.nextDouble();
+        sc.nextLine();
+        System.out.print("Color: ");
+        String cColor = sc.nextLine();
+
+        Car car = new Car(cSpeed, cPrice, cColor);
+
+        // ---- Display Sale Prices ----
+        System.out.println("\n--- Sale Prices ---");
+        System.out.println("Sedan Sale Price: " + sedan.getSalePrice());
+        System.out.println("Ford Sale Price: " + ford.getSalePrice());
+        System.out.println("Car Sale Price: " + car.getSalePrice());
+
+        sc.close();
+    }
+}