What is the purpose of multiple constructors?

A class can have multiple constructors that assign the fields in different ways . Sometimes it’s beneficial to specify every aspect of an object’s data by assigning parameters to the fields, but other times it might be appropriate to define only one or a few.

4 Answers. To put it simply, you use multiple constructors for convenience (1st example) or to allow completely different initialization methods or different source types (2nd example. … This is what constructor overloading means, that a Java class contains multiple constructors.

Constructor Overloading – Multiple Constructors for a Java Class. A class can have multiple constructors, as long as their signature (the parameters they take) are not the same . You can define as many constructors as you need.

Example of Multiple constructors in Java Create a class named Pet. Create two constructors i.e. empty constructor and constructor with a parameter “name” of String type.26 Şub 2019