DYNAMIC BINDING

//parent class
package dynamic;
public abstract class Parent {
public static void main(String[] args) {

}

public void take_tablet(){
    System.out.println("Take tablet");
}
public abstract void study();

}

//child class
package dynamic;

public class Child extends Parent {
public static void main(String[] args) {

    Parent ch = new Child();
    ch.take_tablet();
    ch.study();
}
public void work() {
    System.out.println("Java code");
}
public void study() {
    System.out.println("engg");
}

}