Inheritance java Example

Inheritance java Example

How can we use inheritance in java program?

View Answers

June 13, 2012 at 5:12 PM

class Animal {
    public void eat(String str) {
        System.out.println("Eating for grass");

    }
}

class Cat extends Animal {
    public void eat(String str) {
        System.out.println("Drinking for milk");

    }
}

class Dog extends Animal {
    public void eat(String str) {
        System.out.println("Eating for bread");

    }
}

class Goat extends Animal {
    public void eat(String str) {
        System.out.println("");

    }
}

public class Test {
    public static void main(String[] args) {
        Animal a = new Animal();
        Cat b = new Cat();
        Dog c = new Dog();
        Goat d = new Goat();
        a.eat("grass");
        b.eat("milk");
        c.eat("bread");
        d.eat("grass");
    }
}

Output

Eating for grass
Drinking for milk
Eating for bread

Description:- The above example demonstrates you the concept of inheritance. Inheritance is a way of establishing a subtype from an existing object. In other words, it is the property of accessing properties, methods of super class by a sub class. With the use of extends keyword, the subclasses will be able to inherit all the properties of the superclass except for the private properties of the superclass. In the given example, the class Animal is a superclass, whose method eat() has been accessed by its sub classes Cat, Dog and Goat. The objects of the subclasses is then created in the main class to test. Through the objectsof these class, their respective methods has been called.









Related Tutorials/Questions & Answers:
Inheritance java Example
Inheritance java Example  How can we use inheritance in java program... for bread Description:- The above example demonstrates you the concept of inheritance. Inheritance is a way of establishing a subtype from an existing object
Inheritance Example In Java
Inheritance Example In Java In this section we will read about the Inheritance using a simple example. Inheritance is an OOPs feature that allows to inherit... talk about the Inheritance in Java the Multiple inheritance is not supported
Advertisements
Inheritance in Java with example
Here we are going to discuss Inheritance in Java with a simple example... for inheritance in Java. Inheritance is used in java for the reusability of code... of java.lang.Object.java.ADS_TO_REPLACE_1 Java supports three types of inheritance
Inheritance,Inheritance in Java,Java Inheritance
. The following kinds of inheritance are there in java.   Simple... base class into a single class is known as multiple inheritance. Java does... the interface. In Java Multiple Inheritance can be achieved through use
Inheritance in java with example
Inheritance in java with example          Inheritance is one of the concept of the Object- Oriented programming. The advantage of using the inheritance
Inheritance program in java
known as one level inheritance. Example of Single Inheritance in Java:ADS...In this tutorial we will discuss examples of Simple Inheritance in Java and Multilevel Inheritance in Java. Inheritance is an OOPS (Object Oriented
Java inheritance
Java inheritance   can the child access protected content of the parent if the child is in a different project   If you have considered different project as different package then the child cannot access the content
Inheritance in java - Java Beginners
Inheritance in java  I want a example program using the concept of (single and multiple) inheritance.  Hi Friend, Please visit the following link: http://www.roseindia.net/java/language/inheritance.shtml Thanks
Inheritance in java - Java Beginners
Inheritance in java  I want a example program using the concept of (simple and multiple) inheritance
Does Java support multiple Inheritance?
example. Does Java support multiple Inheritance? Thanks   Hi, Good... tutorial: Inheritance in Java with example Thanks...Does Java support multiple Inheritance?  Hi, I am beginner in Java
Does Java support multiple Inheritance?
example. Does Java support multiple Inheritance? Thanks   Hi, Good... tutorial: Inheritance in Java with example Thanks...Does Java support multiple Inheritance?  Hi, I am beginner in Java
Does Java support multiple Inheritance?
example. Does Java support multiple Inheritance? Thanks   Hi, Good... tutorial: Inheritance in Java with example Thanks...Does Java support multiple Inheritance?  Hi, I am beginner in Java
java inheritance
java inheritance  problem with following code.... class Employee { int empno; String name; String edesig; Employee() { empno=0; } Employee(int eno,String ename,String ed) { empno=eno; name=ename
java inheritance
java inheritance  ACME Bike shop has created a new scheme to reward employees for selling bicycles. Sales are only made by either, a sales person...% and to the sales agents at a rate of 10%. Write a Java application
Java code to implement MULTIPATH INHERITANCE
Java code to implement MULTIPATH INHERITANCE  HI, I am new to java programming. I want to implement multipath inheritance in one java program. For example, Student
inheritance
inheritance  how does one implement inheritance in java
inheritance - Java Beginners
inheritance  help me on inheritance concept in java specialy on overloading and overridding concept
Concept of Inheritance in Java
Concept of Inheritance in Java Concept of Inheritance in Java is considered... of inheritance in Java: Inheritance is used to make things more specific. Sub class... types of inheritance in java: Simple InheritanceADS_TO_REPLACE_3 In simple
Java code to implement MULTIPATH INHERITANCE
Java code to implement MULTIPATH INHERITANCE  Hi, I am new to java .so please write code for this inheritance example... Student | ----------- | | Test Sports
how can i achieve multiple inheritance in java without using inheritance ?
how can i achieve multiple inheritance in java without using inheritance ?  how can i achieve multiple inheritance in java without using inheritance
Inheritance and Composition - Java Beginners
inheritance class TextDemo { int x; int y; int get(int p, int q...Inheritance and Composition  import java.util.*; public class... arrangement in the design of your solution. In an object-oriented design of a Java
multiple inheritance - Java Beginners
multiple inheritance  Why java does not support Multiple Inheritance...)why java classes does not support Multiple Inheritance? JAVA CLASSES ONLY... Inheritance. Ans...>java classes doesn't support multiple inheritance,the practical
Inheritance
. The following kinds of inheritance are there in java.   Simple... into a single class is known as multiple inheritance. Java does not support... the interface. In Java Multiple Inheritance can be achieved through use of Interfaces
doubt in inheritance program - Java Beginners
doubt in inheritance program  how will we get the result 6 2 5 in the inheritance program in the given example i got 6 &2 but i am confused about 5
Java Inheritance Concept.
Java Inheritance Concept.  Yesterday i got confused with following question in an aptitude exam. Question:Class A,B,C have method named doit(). Class B extends Class A,Class C extends Class B.How will you call method doit
inheritance
inheritance  hi.. pleaseeeeee i need a quick help(answer) in creating aprogrm in java by using inheritance for car in such away that .... Car is parent class and both of Private and Public Car extends it then both of Bus
Multilevel Inheritance in java
Multilevel Inheritance in java We are going to discuss about multilevel inheritance in java. The Multilevel inheritance is inherit of classes more than two.... Java, every class is a subclass of  java.lang.Object. Example of Multilevel
Java : Multilevel Inheritance
Java : Multilevel Inheritance This section contains concept of multilevel Inheritance in java. Multilevel Inheritance : In multilevel inheritance more than... can say multilevel inheritance create one-to-one ladder. Now you can access
Inheritance in Java
and implementing more than one interfaces in a class. Example of Inheritance in Java... Inheritance in Java enhances the properties of the class, which means... There are two types of inheritance in Java: Simple Inheritance Multilevel
Inheritance Overloading - Java Beginners
Inheritance Overloading  The problem is: I have this program: class Base{ int i = 1; int j = 2; Base(int i, int j){ i = i; j = j...://www.roseindia.net/java/beginners/constructoroverloading.shtml
Inheritance - Java Beginners
Inheritance  pls help me!!! Question: write an inheritance hierachy for classes Quadrilateral,Trapezoid,Parallelogram, Rectangle and Square. Use Quadrilateral as superclass. make hierachy as deep as possible. Specify
Does Java support multiple inheritance?
Does Java support multiple inheritance?  Hi, Does Java support multiple inheritance? thanks   hi, Please visit the following link: http://www.roseindia.net/java/language/inheritance.shtml Hope
Inheritance - Java Beginners
of Inheritance within the java programming. class Points{ private double x... and set the center of thye base. THANKS SO MUCH. I am really a java beginner
Inheritance and Composition - Java Beginners
Inheritance and Composition  CAN YOU FIND THE ERROR OF MY CODE JAVA.THIS IS A TEST CLASS.I CANT FIND THE ERROR,CAN YOU FIX IT FRIEND.THANK YOU SO MUCH. import java.util.*; public class TestPet { public static void main
Inheritance problem - Java Beginners
Inheritance problem  hello friend can u please help me that why this program is printing show method of Base_Class b=5 even though i am assigning the Base_Class object into the Super_Class reference i.e Super_Class bc=new
Inheritance and Composition - Java Beginners
Inheritance and Composition  import java.util.*; public class TestPet { public static void main(String[]kevs) { Scanner console=new Scanner(System.in); String type, name, home; int weight, years; char gender
Inheritance and Composition - Java Beginners
Inheritance and Composition  HELLO FRIEND THIS IS THE CODE,CAN YOU FIND WHAT IS THE ERROR AND IF ITS OK CAN YOU FIX IT .THANK YOU. public class Pet extends Animal { private String home, bite; //private Boolean bites
Inheritance - Java Beginners
friend this is an example...{ System.out.println("Using inheritence example!"); BufferedReader buff = new... information: http://www.roseindia.net/java/language/inheritance.shtml Thanks
Inheritance and Composition - Java Beginners
Inheritance and Composition  HELLO FRIEND THIS IS THE CODE,CAN YOU FIND WHAT IS THE ERROR AND IF ITS OK CAN YOU FIX IT .THANK YOU.10000X THANK YOU.HOPE YOU HELP ME. public class Animal { private int lifeExpectancy, weight
inheritance code program - Java Beginners
QUADRANT IF ITS 1,2,3,4 QUADRANT. EXAMPLE OUTPUT: Using inheritance example...inheritance code program  class Point { private int x ; private... IOException{ System.out.println("Using inheritence example!"); BufferedReader
Inheritance and Composition - Java Beginners
Inheritance and Composition  HELLO FRIEND THIS IS THE CODE,CAN YOU FIND WHAT IS THE ERROR AND IF ITS OK CAN YOU FIX IT .THANK YOU. THANK YOU.HOPE YOU HELP ME.i think theres one error can u fix the error friend .thank u public
Java Inheritance - Java Beginners
Java Inheritance  Since every object inherits from Object class, why the following statement is not true. Assuming the code tries to open a file then instead of using throws IOException why not use throws Object? import
inheritance
inheritance  Hi, I have a class mall,how can i use this in case of inheritance.Tell me with example
Multiple inheritance using interface - Java Beginners
Multiple inheritance using interface  Hi, I understand.... But the use of the interface is when we use multiple inheritance with more than one.... Please let me show that sample example to understand the use of interface
Multilevel inheritance - Java Beginners
Multilevel inheritance  Dear Sir, I'm posting you another question for which I need a more explanatory java coding(A lengthy one with more classes if possible) "Write a java program to create simple student object and inherit
JAVA CLASS INHERITANCE
JAVA CLASS INHERITANCE  Someone please help me write this program. Create a class called Accounts that has the following members: i)An instance integer variable called acc_no. ii) An instance string variable called acc_name. ii
Multiple Inheritance Problem - Java Beginners
Multiple Inheritance Problem  Hello Friend why Multiple Inheritance is not supported by java???? one of the answer i got that if there are three methods i. void show() in 3 super-classes named as A,B,C and if i extends A,B,C
Java Inheritance and abstract - Java Interview Questions
Java Inheritance and abstract  1) Why we need to write the separate Interface in which we are not doing any operation except declaring empty abstract... the correct real time example in which i can decide i have to used i have to used
multiple inheritance.
multiple inheritance.  hello, can java support multiple inheritance???   hi,ADS_TO_REPLACE_1 java does not support multiple inheritance
Pkg Inheritance under same pkg - Java Beginners
Pkg Inheritance under same pkg   Hi Friends I want to extend the Predefined ( . java File ) class in a another inherited class( .java file ) in the same pkg If this is allowed in the same pkg, please tell me how

Ads