Home Discussion Discuss: Java Abstract Class

  • Its more usefulsenna June 2, 2011 at 6:45 PM

    Hi...Definition OK..its useful to me.but i need clear and easy example to understand.

  • abstract classVino September 13, 2011 at 8:55 AM

    Give me one eg using abstract class in java

  • Interface and packages in javaAlam September 19, 2011 at 12:20 PM

    Hello sir actually i have to give presentation on interface and abstract class in java so i need ur help...please send me the practical definition of those two with an example......i wil be thankful to u..

  • java codes needpriya December 30, 2011 at 1:55 PM

    Write a Java program that illustrates the implementation of abstract classes

  • help memahes February 3, 2012 at 5:38 PM

    i need exact example for abstract....... and i have one doubt abstract class, abstract methods can be accessible in subclasses or not.

  • JavaIbrar Hussain May 25, 2012 at 12:15 PM

    I much like to learn java subject.

  • javaSONU SINGH July 24, 2012 at 2:07 PM

    please sir send me some java defination,methods,or any containts

  • BS(IT)Saqib Afridi September 16, 2012 at 10:46 PM

    I understand this very much because this is very simple so, every one can understand very much. I will try to get more and more knowledge from this site.

  • javagagan September 30, 2012 at 4:50 PM

    why we use abstract class in java?

  • Abstract classfridoon January 2, 2013 at 5:35 PM

    i am a website developer .. What is the use of abstract class and when its used?

  • object oriented programmingNurul Fazdreen Binti Saifuzzaman September 25, 2013 at 12:46 PM

    im need help u., Write a java program with following features: 1. Have one abstract class name Kereta 2. Abstract class kereta have following data member: a. protected double hargaKereta; b. protected double cukai; c. protected double hargaOnTheRoad; d. protected String inputNama; 3. Abstract class have following method a. Abstract method name KiraCukai() b. Method Input() to input name of a car and its price.(This method are given below) 4. Class Proton inherit from class Kereta with implementation of KiraCukai(). This method will calculate tax base on 10% sales tax and 5% eksesais tax. This method will print car price on the road together with its name. 5. Class Honda inherit from class Kereta with implementation of KiraCukai(). This method will calculate tax base on 50% sales tax and 10% eksesais tax. This method will print car price on the road together with its name. 6. Class TestKereta will create object BLM from class Proton and object Civic from class Honda. This two object will call all method they have. Method Input(): void Input()throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String inputHarga; System.out.println("Masukkan Nama Jenama Kereta: "); inputNama=br.readLine(); System.out.println("Masukkan Harga Kereta: "); inputHarga=br.readLine(); hargaKereta=Double.parseDouble(inputHarga); } Example Output: Masukkan Nama Jenama Kereta: Proton BLM Masukkan Harga Kereta: 45000 Cukai: 6750.0 Harga Proton BLM Atas Jalan: RM51750.0 Masukkan Nama Jenama Kereta:Honda CRV Masukkan Harga Kereta: 100000 Cukai: 60000.0 Harga Honda CRV Atas Jalan: RM160000.0

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