Write a java program with class name as Employee to demonstrate the use of non Parameterized Constructor (Constructor without arguments) and Parameterized constructor (Constructor with arguments) for employee id, name and age.
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Write a java program with class name as Employee to demonstrate the use of
non Parameterized Constructor (Constructor without arguments) and
Parameterized constructor (Constructor with arguments) for employee id, name and age.
In Java, a constructor is a block of codes similar to the method. It is called when an instance of the class is created. At the time of calling the constructor, memory for the object is allocated in the memory. It is a special type of method which is used to initialize the object.
The constructors that have an empty parameter are known as non-parameterized constructors. They are used to initialize the object with default values or certain specific constants depending upon the user.
A parameterized constructor accepts parameters with which you can initialize the instance variables. Using parameterized constructor, you can initialize the class variables dynamically at the time of instantiating the class with distinct values.
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