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Ram N

Posts: 2777
Nickname: ramram
Registered: Jul, 2014

Ram N is Java Programmer
Java Tutorial : Java default Constructor Posted: Nov 25, 2015 10:13 AM
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This post originated from an RSS feed registered with Java Buzz by Ram N.
Original Post: Java Tutorial : Java default Constructor
Feed Title: JAVA EE
Feed URL: http://ramj2ee.blogspot.com/feeds/posts/default?alt=rss
Feed Description: This blog has viedo tutorials and Sample codes related to below Technologies. 1.J2EE 2.Java 3.Spring 4.Hibernate 5.Database 6.Oracle 7.Mysql 8.Design Patterns
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Employee.java
public class Employee
{

String name;
int age;

/*
* The compiler automatically provides a no-argument default constructor if
* the class does not have any other constructor.
*
* This default constructor will call the no-argument constructor of the
* superclass. In this situation, the compiler will complain if the
* superclass doesn't have a no-argument constructor so you must verify that
* it does. If your class has no explicit superclass, then it has an
* implicit superclass of Object, which does have a no-argument constructor.
*/


}
EmployeeDemoTest.java
public class EmployeeDemoTest
{

public static void main(String[] args)
{
/*
* Invokes the no-argument constructor to create a new Employee object
* called employee.
*/

Employee employee = new Employee();
System.out.println("Name : " + employee.name);
System.out.println("Age : " + employee.age);

}

}
Output
Name : null
Age : 0
Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/ConstructorDemoDefaultconstructorApp.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ConstructorDemoDefaultconstructorApp

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/2f20a20e875ab6e7de15adc0041c373263d61c3b/BasicJava/ConstructorDemoDefaultconstructorApp/?at=master

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  • Read: Java Tutorial : Java default Constructor

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