Java program using abstract class and concrete class

 Java program using abstract class and concrete classes using Eclipse IDE

Example program in abstract class and method

package javaproject1;

abstract class Abstract

{

abstract void display(); //method declaration only

void show()

{

System.out.println("This show method is normal method in abstract class");

}

}

class AbstractDefinition extends Abstract

{

void display()

{

System.out.println("This is display method definition");

}

}

class AbstractDemo

{

public static void main(String args[])

{

AbstractDefinition obj=new AbstractDefinition();

obj.display();

obj.show();

}

}

Short explanation of abstract class and concrete class