Programming: JAVA: Java Programming, JavaScript, Coding: Programming Guide: LEARN IN A DAY! (JAVA, HTML, Python, SQL, App, iphone, Website Design, Word Press) by Os Swift

Author:Os Swift
Language: eng
Format: azw3, pdf
Published: 2015-05-08T07:00:00+00:00

public static void main(String args[]){

Student3 s1=new Student3();

Student3 s2=new Student3();

s1.display();

s2.display();

}

}

Output:

null

null

Parameterized constructors in Java

In Java constructor is said to be a parameterized constructor if it has parameters with it.

Why should we use parameterized constructors?

We use parameterized constructors in cases when we give different values to different objects. Here is an example of a parameterized constructor. In the following example to parameters are given to the student class. A parameterized constructor can have any number of parameters defined in it.

Example:

class Student4{

int id;

String name;

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