binodcoder · binodcoder · May 6, 2024 · May 5, 2024 · May 5, 2024 · May 6, 2024
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/BinaryTreeYT.java b/src/BinaryTreeYT.java
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;
+    }
+
+}
+