Category: 3. OOPs Concepts: Constructor Interview Q.

The purpose of the default constructor is to assign the default value to the objects. The java compiler creates a default constructor implicitly if there is no constructor in the class. Output: Explanation: In the above class, you are not creating any constructor, so compiler provides you a default constructor. Here 0 and null values are… Continue reading What is the purpose of a default constructor?

Based on the parameters passed in the constructors, there are two types of constructors in Java. Default Constructor: default constructor is the one which does not accept any value. The default constructor is mainly used to initialize the instance variable with the default values. It can also be used for performing some useful task on object… Continue reading How many types of constructors are used in Java?

The constructor can be defined as the special type of method that is used to initialize the state of an object. It is invoked when the class is instantiated, and the memory is allocated for the object. Every time, an object is created using the new keyword, the default constructor of the class is called. The name… Continue reading What is the constructor?