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Input Two Sides of a Rectangle: Area and Perimeter

When you input two sides of a rectangle, your Java-program should output the area and perimeter of that rectangle (use the template code attached). The program should consist of two java files, Rectangle.java and RectangleApp.java. Comment the code. See the attached file.

Java Program, which determines the distance travelled by a projectile

Write a Program in Java, which determines the distance travelled by a projectile (launched from the ground) given: 1. The velocity at launch (u), and 2.The launch angle (angle of elevation) above the horizontal (A). The program should consist of two files: Launch.java and LaunchApp.java (application). Assume the

Java Programming: Simple class hierarchies

I need help to implent implement the four classes: class DataItem; partially implemented abstract base class of hierarchy; defines data members for common data elements; provides common functionality; class PictureDataItem; concrete class for Image based data items; class SoundDataItem; concrete class for Sound based data

Change code in Java program input of floating point values

Change code in Java program so that input of floating point values is possible. /* Java program which outputs the average speed of an *object given the distance and time travelled * (speed = distance/time). */ // Java extension packages import java.util.*; // import class import java.io.*; // import class public

Run Java program from command line

The attached programs should run from the command line. What are the necessary changes? Please apply and comment the changes and attach the changed files.

Write a Java class that contains 4 instance methods

Write a Java class that contains 4 instance methods that output information related to your education background, work experience, hobbies and skills. This is meant to represent your Curriculum Vitae. The use of other methods to show any additional information related to your CV (such as affiliation to professional bodies/orga

Difference between object-oriented programming and procedural

Describe the difference between object-oriented programming and procedural (or structural or processual) programming. What, if anything, does the OO model bring to the table and improve upon what was out there pre-OO? How does Java endeavor to represent the OO paradigm? Is OO programming a step forward or a step back in your

Identify a Programming Language

Use Cybrary to research at least one programming language and its characteristics. Find out if it is procedural, object-oriented, or a hybrid. Discuss if you would consider using if you were on a development team, and why.

Compare the Java and .NET programming languages

The future of software development is now expected to be a near 50-50 split between Java and .Net. When making a decision on which technology to bank on, you should really research what types of companies use which technology, and which fits into your career aspirations. Java and .Net overlap in a lot of markets and inevitably e

What is SQL, differences in SQL implementations?

What is SQL? Who owns SQL? What are some of the differences in the SQL supported by RDBMS vendors? I need to really understand these topics, so easy to read in depth explanations would be great. Thank you.

2d Amortization Program That Hesitate In Gui

Amortization Program I have 3 written programs that I want to take a little from each and add a twist Project should not take more than few hours. Please comment thoughly so I can follow what you have done Attached are 3 programs I want a certain function from each program The console program Display Program Messag

Simple adventure game

I would like to have the basic solution to the challenges included with the code - I can't get my solutions to work. I need to have the java code that will make the changes to the game. (See attached file for full problem description)

Problem using Recursion

Please provide a little guidance on how to solve the following problem using recursion. I can understand solving it using iteration .. but not recursion. Design a game called Jump it. It consists of a board of n integers rows. All containing positive integers except the first one always containing 0. The object is to mo

Java 101

Help with Deciphering Java Enclosed are 3 Individual Java Programs. I understand that there are 8 primitive data types in Java. I have included an example of 4 of them of them Can you help me with the additional 4 data types I am having really difficult time identifying the string programming Error. I cannot iden

Programming > Java

Applet program that finds an inverse matrix Applet program that accepts a 2x2 matrix and finds its inverse matrix if any. It seems easy, but I am having a problem getting it to work.


I have simple SWING GUI JAVA application that I created and have running with Eclipse on Windows XP. Tomorrow I need the same program to run on a Linux box using command line complie. Can some one let me know if this program runs correctly on Linux and the proper syntax to compile? To test the program just start MoneyMain

features and uses of SQL

Outline the specific features and uses of SQL. Put in examples of each point or feature that you explain.

Two programs in Java

I'm trying to learn java by myself and I came across the two programs attached below, but I can't figure out how to do them. --- 4a. Write a program in which the main method calls a method with the heading public static char changeCase(char ch) that if ch is a lowercase letter, the method will return the corresponding upperc

Java Programming

Write a complete interactive Java GUI program(for example: javax.swing.JOptionPane;) NOT A APPLET that requests two numbers from the user. The first number is the row dimension and the second number is the column dimension. Print to the user a rectangle of stars based on the input. The program must do the following: 1. Print

Java Programming Code Initialization

Write code to initialize myary1 beginning with myary1[0][0] = 1 and adding one for each subsequent array location. myary1 has 3 columsn and 4 rows. This is what I have so far... int[][] myary1 = new int[4][3];