Constructor

1. A constructor has the same name as the class.

2. Default constructor has the access modifier of the class.

3. A constructor can have any of the 4 access modifiers.

4. A constructor has no return type.

5. A constructor cannot be abstract, static, final or Synchronized.

6. Complier creates a default constructor for ech class if we declare a parameterised constructor then default constructor is not made.

7. Constructor is called only once.

Constructor Overloading

1. Multiple parameterised constructor can be used and overloaded.

Constructor Chaining

1. this() keyword is used to call constructor of the current class while super() is used to invoke the constructor of parent class.

2. A constructor chaining appears to execute in the opposite direction of chain as the innermost constructor is executed first.