Java Tutorial : Java Object Class(Assign subclass)

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Java Tutorial : Java Object Class(Assign subclass) 

Employee.java

public class Employee
{
    String name;    

}

Student.java

public class Student
{
    String name;
    int age;
}

ObjectClassTest.java

import java.util.ArrayList;


public class ObjectClassTest
{

    public static void main(String[] args)
    {
        Object objectRef = new Employee();
        System.out.println(objectRef);
        
        objectRef = new Student();
        System.out.println(objectRef);
        
        objectRef = new ArrayList<String>();
        System.out.println(objectRef);
        
        objectRef = new String("John");
        System.out.println(objectRef);

    }

}

Output

Employee@659e0bfd
Student@2a139a55
[]
John

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/ObjectClassDemo_Assign_Subclass_App.zip?attredirects=0&d=1

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

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/8fa82bcbf36a8ef675302adced6f7a0764627bd4/BasicJava/ObjectClassDemo_Assign_Subclass_App/?at=master

See also:

All JavaEE Viedos Playlist

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JDBC Tutorial

Java Collection Framework Tutorial

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