Write a java program to create an abstract class named Shape that contains two integers and ar empty method named printArea(). Provide three classes named Rectangle, Triangle and Circle such that each one of the classes extends the class Shape. Each one of the classes contain only the method printArea() that prints the area of the given shape. What is difference between abstract class and interface in Java?

Write a java program to create an abstract class named Shape that contains two integers and ar empty method named printArea(). Provide three classes named Rectangle, Triangle and Circle such that each one of the classes extends the class Shape. Each one of the classes contain only the method printArea() that prints the area of the given shape. What is difference between abstract class and interface in Java?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Q: JAVA Problem 2. Write a program that will display all even numbers that are less than a given…

A: To Do: To write the java code.

Q: In java find the prime factors of number.Input should be provided by user. Attach output also.

A: Program Approach - Use the necessary java libraries for the program. Declare the class named Main.…

Q: JAVA LAB PRACTICE PROBLEMS 1. Write a program to create an object of the Calendar class having Year…

A: Here I have created an object of the Calendar class. Next, I have created variables to store the…

Q: Given a line of text as input, output the number of characters excluding spaces, periods,…

A: Answer..

Q: I need help with this Java problem as it's explained in the image below: Palindrome (Deque) A…

A: In this question we have to wirte and modifiy the Palindrome java code toLet's code and hope this…

Q: Write a program in java to find the hours, minutes and seconds from the given seconds. You should…

A: Required:- Approach:- formula used for seconds = Total seconds % 60 for minutes = (Total seconds…

Q: Complete the following program in java to implement the user interface of the preceding exercise.…

A: A Java program is as follows, File name: “UnitConverter.java” import java.util.Scanner; import…

Q: Java's method parameters are supplied by value rather than via reference. What exactly does this…

A: All object references in Java are passed by value.

Q: Write a Java Program to Check Whether a Number can be Express as Sum of Two Prime Numbers.

A: Given,Write a Java Program to Check Whether a Number can be Express as Sum of Two Prime Numbers.

Q: Write a simple program in Java to display the age of a father where The sum of ages of two sons is 5…

A: import java.util.Scanner; public class fAge { public static void main(String[] args)…

Q: How can we use Encapsulation in Java

A: Encapsulation is a process of wrapping all the methods and members as a single unit. This is also…

Q: In java code write a billing system project with code comments and output example?

A: The code is given in the below step

Q: Write a java program to simulate a car insurance We have a problem, which is calculating the…

A: Here i explain it clearly. ============================================================ you want to…

Q: How to format date from one form to another in java?

A: Given Data:- How to format date from one form to another in java?

Q: Design a java method along with driver code to the number of numeric characters.

A: Coded using Java.

Q: Please answer this question in Java language with a screenshot of the output and .java file

A: public class MyFirstProgram //class name has to be same as file name{ public static void…

Q: 8. Explain the difference between 0; if (x > 0) { s++; } if (y > 0) { s++; } S = and S = 0; if (x >…

A: In case 1st) s=0; if(x>0){s++}; if(y>0){s++}; The above code when executed the control will go…

Q: Write a Java program that computes the sum of two rational numbers given by the user. [Note: If two…

A: Here have to determine about java code for sum of rational numbers.

Q: make a simple calculator using java using switch case that take you input number and one operator as…

A: Question : make a simple calculator using java using switch case that take you input number and…

Q: Problem specification: In this assignment, you will search for a word in square sized grid of…

A: import java.util.Scanner; public class Puzzle { public static void main(String[] args){…

Q: rue or False Java passes all primitive type variables by copy.

A: Given:- True or False Java passes all primitive type variables by copy.

Q: How to change a value of variable from a comment in java. Explain it with program in java Don't…

A: Required:- How to change a value of a variable from a comment in java. Explain it with the program…

Q: In java we had two take two string from user and add them without using concat method and print…

A: Approach :- take two numbers from user using scanner object and then use + operator to concat two…

Q: Take a number and check if palindrome or not in java .

A: Requirements :- Take a number and check if palindrome or not in java . Approach :- Steps : - Take…

Q: Write A Java Program To Demonstrate Autoboxing And Unboxing int And Short.

A: The above question is solved in step 2:- Auto boxing:- it refers to the conversion of old value into…

Q: Write a program in java to get the number from user and then check whether all digits in that number…

A: Required:- Please see the code below with the output.

Q: program in java that allows the user to enter his name and his monthly salary.then calculate the…

A: Code import java.util.*; public class ScannerNextFloatExample1 { public static void…

Q: Create java program with a declaration of int x = {1,2,3,4,5,6,7,8,9,10} that change the number 9 to…

A: Given x is storing collection of elements which is an array Array indexing starts from 0 Element 9…

Q: n Java, I want the user to enter in a 5-digit number, and if they enter incorrectly, I want to give…

A: import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner…

Q: **** print this pattern in java in 10 minutes

A: Question : Approach : see the code you will definately get it

Q: Define a method in JAVA that prompts the user to enter a floating-point number and then print the…

A: In this question, we are asked to write a java program in such way that user enter a floating number…

Q: Writing a Modular Program in Java Summary In this lab, you add the input and output statements to a…

A: Java code with given sample syntax is provided below :

Q: 3) Write a test to determine if the system allows a comment by the same author. Call the test…

A: Define the User, Comment, and CommentSystem classes. In the CommentSystem class, define a list…

Question

This is a java question complete the code with explanation just short explaination and the output as well

Danesh Malik
EDIT
b) Write a java program to create an abstract class named Shape that contains two integers and an
empty method named printArea(). Provide three classes named Rectangle, Triangle and
Circle such that each one of the classes extends the class Shape. Each one of the classes
contain only the method printArea(() that prints the area of the given shape.
c) What is difference between abstract class and interface in Java?
More
Add to Story

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2 :Shape.java

VIEW

Step 3 :Rectangle.java

VIEW

Step 4 : Triangle.java

Step 5 :Circle.java

Step 6 :Main.java

Step 7

Step 8

Trending now

This is a popular solution!

Step by step

Solved in 8 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

Apply pass by value and pass by reference concept in a program in Java
Java Programming Create a program that computes the perimeter of a square, rectangle and the circumference of a circle using interface.
in java, check correct input with try block and extension
Write a java program to add two numbersentered by the user in reversed order. Theprogram should be terminated only if the userselects to exit. Example: Input: 25 32 Expected output: 75
Write a Java program Consider the structure of one example of inputs and outputs that is given in the first picture The structure of the code must be as it is shown in the second picture
Write expression for JAVA.
The Java type int is an abbreviation for:
Create a Java program that shows Pass by value and pass by reference.
In java Take a number and shift it right side by 2 and print the result
How to check whether user input is number or not in java? In java
Note: Write a java program