'some changes'

binodcoder · binodcoder · commit 4bbf2c2a0973 · 2024-05-06T21:57:41.000+01:00
diff --git a/src/Animal.java b/src/Animal.java
@@ -0,0 +1,45 @@
+public class Animal {
+    String name;
+    float weight;
+    String size;
+
+    //a constructor is an especial method that execute at the beginning when object of class is created.
+
+    //no parameterized
+    Animal() {
+
+    }
+
+    //parameterized
+    Animal(String name, float weight, String size) {
+        this.name = name;
+        this.weight = weight;
+        this.size = size;
+    }
+
+    Animal(String name, float weight) {
+        this.name = name;
+        this.weight = weight;
+
+    }
+
+    Animal(String name) {
+        this.name = name;
+
+    }
+
+    Animal(String size, String name) {
+        this.size = size;
+        this.name = name;
+
+    }
+
+    //copy constructor
+    Animal(Animal animal) {
+        this.name = animal.name;
+        this.weight = animal.weight;
+        this.size = animal.size;
+    }
+
+}
+
diff --git a/src/Bird.java b/src/Bird.java
@@ -0,0 +1,36 @@
+public class Bird {
+    String colour;
+    String family;
+    float length;
+
+    // Constructor with 'family' parameter
+    Bird(String family){
+        this.family=family;
+    }
+
+   //important: why can't I make constructor that assign colour properties of the bird?
+
+    // Constructor with 'colour' and 'family' parameters
+    Bird(String colour, String family, float length){
+        this.colour=colour;
+        this.family=family;
+        this.length=length;
+    }
+
+    // Constructor with 'colour' and 'length' parameters
+    Bird(String colour, float length){
+        this.colour=colour;
+        this.length=length;
+    }
+
+    // Constructor with 'length' and 'family' parameters
+    Bird(float length, String family){
+        this.length=length;
+        this.family=family;
+    }
+
+    // Constructor with 'length' parameter
+    Bird(float length){
+        this.length=length;
+    }
+}
diff --git a/src/Furniture.java b/src/Furniture.java
@@ -0,0 +1,14 @@
+public class Furniture {
+    String name;
+    int breadth;
+
+    Furniture(String name, int breadth){
+        this.name=name;
+        this.breadth=breadth;
+    }
+
+}
+//why we make constructor: to make the object.
+//syntax of object Wall s1= new House();
+//public class House{}
+// this is constructor House(){}
diff --git a/src/House.java b/src/House.java
@@ -0,0 +1,72 @@
+public class House {
+    //this is data declaration while creating class
+    String name;
+    int bedrooms;
+    int toilets;
+
+
+    //parametrized constructor
+    House(String name, int bedrooms, int toilets) {
+        this.name = name;
+        this.bedrooms = bedrooms;
+        this.toilets = toilets;
+
+    }
+    void findingArea(){
+        System.out.println("This is the finding area functions.");
+    }
+
+    void cookingFood(){
+        System.out.println("This is the cooking food functions");
+    }
+    void cleaningBathroom(){
+        System.out.println("This is the cleaning bathroom functions");
+    }
+    void changingBedsheet(){
+        System.out.println("This is the changing bedsheet functions.");
+    }
+    void HooveringHouse(){
+        System.out.println("This is the hoovering house functions");
+    }
+
+
+    //no parameter constructor
+    House() {
+
+    }
+
+    House(String name) {
+        this.name = name;
+    }
+
+    House(String name, int bedrooms) {
+        this.name = name;
+        this.bedrooms = bedrooms;
+    }
+
+    House(int bedrooms, String name) {
+        this.bedrooms = bedrooms;
+        this.name = name;
+    }
+
+    House(int toilets, int bedrooms, String name) {
+        this.toilets = toilets;
+        this.bedrooms = bedrooms;
+        this.name = name;
+
+    }
+
+    House(int bedrooms, int toilets) {
+        this.bedrooms = bedrooms;
+        this.toilets = toilets;
+    }
+    //copy constructor
+    //h1 is the data type of House that's why it expect the data type house as we have created h1 in main folder
+    House(House h1){
+      this.name=h1.name;
+      this.toilets=h1.toilets;
+      this.bedrooms=h1.bedrooms;
+    }
+
+}
+
diff --git a/src/Main.java b/src/Main.java
@@ -13,10 +13,10 @@ class Shape {
     }
 
 
-    Shape(double area){
-        this.area=area;
-    }
 
+    Shape(double area) {
+        this.area = area;
+    }
 
     Shape(Shape s1) {
         this.colour = s1.colour;
@@ -36,8 +36,55 @@ public static void main(String[] args) {
         System.out.println("properties of s2");
         System.out.println(s2.colour);
         System.out.println(s2.area);
+
+        Animal a1 = new Animal("dog", 46, "medium");
+
+        System.out.println(a1.name);
+
+
+        Animal a2 = new Animal();
+        System.out.println("please enter your animal name");
+        a2.name = "cat";
+        a2.weight = 23;
+        a2.size = "small";
+
+        Animal a3 = new Animal(a2);
+        System.out.println(a3.weight);
+
+        Bird b1 = new Bird("parrot", "huge", 26);
+        System.out.println(b1.colour);
+        System.out.println(b1.family);
+        System.out.println(b1.length);
+
+        Furniture f1 = new Furniture("Bed", 18);
+        System.out.println(f1.name);
+        System.out.println(f1.breadth);
+
+        System.out.println("This is h1 house");
+        House h1 = new House("Aakritiko House", 4, 2);
+        System.out.println(h1.name);
+        System.out.println(h1.bedrooms);
+        System.out.println(h1.toilets);
+        h1.changingBedsheet();
+        h1.cleaningBathroom();
+
+        System.out.println("This is h2 house");
+        House h2 = new House(h1);
+        System.out.println(h2.name);
+        System.out.println(h2.bedrooms);
+        System.out.println(h2.toilets);
+        System.out.println("This is h3 house");
+        House h3 = new House(h2);
+        System.out.println(h3.name);
+        System.out.println(h3.toilets);
+        System.out.println(h3.bedrooms);
+
+
+      Vehicle v1=  new Vehicle("car",12600, "fifteen years old","four seats");
+        System.out.println(v1.name);
     }
 }
+
 //primitives data types
 //int, double, String, float, long , short, byte, boolean
 //wrapper classes
diff --git a/src/Vehicle.java b/src/Vehicle.java
@@ -0,0 +1,32 @@
+public class Vehicle {
+    String name;
+    int price;
+    String modelOfVehicle;
+    String noOfSeats;
+
+    Vehicle(String name, int price, String modelOfVehicle, String noOfSeats){
+        this.name=name;
+        this.price=price;
+        this.modelOfVehicle=modelOfVehicle;
+        this.noOfSeats=noOfSeats;
+    }
+    Vehicle(String name){
+        this.name=name;
+    }
+    Vehicle(String modelOfVehicle, int price){
+        this.modelOfVehicle=modelOfVehicle;
+        this.price=price;
+    }
+    Vehicle(String modelOfVehicle, String noOfSeats){
+        this.modelOfVehicle=modelOfVehicle;
+        this.noOfSeats=noOfSeats;
+    }
+    Vehicle(String noOfSeats, int price, String name){
+        this.noOfSeats=noOfSeats;
+        this.price=price;
+        this.name=name;
+    }
+
+
+
+}
