Normally method has been executed when manually user call method through object.
But Constructor is a method which execute automatically.
In Java, a constructor is a block of codes similar to the method. It is called when an instance of the object is created, and memory is allocated for the object.
It is a special type of method which is used to initialize the object.
There are two types of constructors in Java:
- Default constructor (no-arg constructor)
-doesn’t have any parameter.
- Parameterized constructor
-has a specific number of parameters
Rules for creating Java constructor
There are two rules defined for the constructor.
- Constructor name must be the same as its class name
- A Constructor must have no explicit return type
- A Java constructor cannot be abstract, static, final, and synchronized
It can also be overloaded like Java methods.
Java has many more important features like Constructor.
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