Constructors in java
Constructors will play key roll in any language while creating an object of a class. In Java, Constructors are useful for create an object of a class. Constructor is also a special method which contains the same name as the class. Constructors differ from other methods in that: • Constructors never have an explicit return type. • Constructors cannot be directly invoked • Constructors cannot be synchronized , final , abstract , native or static . Types of constructors in Java: There are mainly two types of constructors in Java, one is default constructor and parametric constructor. Default Constructor: Default Constructor is a constructor which does not contains any of the parameters. If we are not using any of the parametric constructor it is not required to declare default constructor, because JVM automatically will creates. Here is the signature how to define a default constructor in java. 1 2 3 4 5