Question

In: Computer Science

User the Scanner class for your input Write a java program to calculate the area of...

User the Scanner class for your input

Write a java program to calculate the area of a rectangle.

Rectangle Area is calculated by multiplying the length by the width  

display the output as follow:

Length =  

Width =

Area =

Load:

1. Design (Pseudocode )

2. Source file (Java file, make sure to include comments)

3. Output file (word or pdf or jpig file)

Solutions

Expert Solution

/******* RectangleDemo.java ********/

import java.util.Scanner;

public class RectangleDemo {

   public static void main(String[] args) {
       // Declaring variables
       double length, width, area;

       /*
       * Creating an Scanner class object which is used to get the inputs
       * entered by the user
       */
       Scanner sc = new Scanner(System.in);

       // Getting the input entered by the user
       System.out.print("Enter length of rectangle :");
       length = sc.nextDouble();
       System.out.print("Enter width of rectangle :");
       width = sc.nextDouble();

       area = length * width;

       // Displaying the output
       System.out.printf("Length = %.2f\n", length);
       System.out.printf("Width = %.2f\n", width);
       System.out.printf("Area = %.2f\n", area);

   }

}

/**************************************************/

/**************************************************/

Output:

/**************************************************/


Related Solutions

Write Java program that asks a user to input a letter, converts the user input to...
Write Java program that asks a user to input a letter, converts the user input to uppercase if the user types the letter in lowercase, and based on the letter the user the user enters, display a message showing the number that matches the letter entered. For letters A or B or C display 2 For letter D or E or F display 3 For letter G or H or I display 4 For letter J or K or L...
write a java program to evaluate the highest number input by user, cannot use math class,...
write a java program to evaluate the highest number input by user, cannot use math class, must use overloading . Must compute four computeHighNum methods. Here is what I have. import java.util.Scanner; public class Overload { public static void main(String[] args){ Scanner input = new Scanner(System.in); int number1 = input.nextInt(); int number2 = input.nextInt(); int number3 = input.nextInt();    //int maximum = maximum(number1, number2 ); System.out.printf("Highest integer is ");       // int number1 = input.nextInt(); // int number2 =...
JAVA: Write a program that prompts the user to input a type of medication and the...
JAVA: Write a program that prompts the user to input a type of medication and the output will be a list of side effects that can occur from that medication.
JAVA Take in a user input. if user input is "Leap Year" your program should run...
JAVA Take in a user input. if user input is "Leap Year" your program should run exercise 1 if user input is "word count" your program should run exercise 2 Both exercises should run in separate methods Exercise 1: write a java method to check whether a year(integer) entered by the user is a leap year or not. Exercise 2: Write a java method to count all words in a string.
Write a Java program that prompts the user to input a word (String). The program must...
Write a Java program that prompts the user to input a word (String). The program must print the reversed word with all consecutive duplicate characters removed. The program must contain the following classes: - The StackX class (you can use the Java Stack class). - The Reverse class which must contain a private data field called “word” of type string, a constructor, and a void method called revNoDup(). The revNoDup() method must reverse the word and remove the consecutive duplicate...
Write a Java program that prompts the user to input a string and prints whether it...
Write a Java program that prompts the user to input a string and prints whether it is a palindrome. A palindrome is a string which reads the same backward as forward, such as Madam (disregarding punctuation and the distinction between uppercase and lowercase letters). The program must use the stack data structure. The program must include the following classes: The StackX class (or you can use the Java Stack class). The Palindrome class which must contain a method named palindrome()...
Write java program that will ask for the user for 2 input lines and print out...
Write java program that will ask for the user for 2 input lines and print out all words that occur 1 or more times on both lines (case sensitive). Write this without arrays and method. Here is a sample run: <Output> Enter two lines to process. The quick brown fox jumps over a lazy dog The fox hound outruns the lazy dog The words that occur on both lines are: The fox lazy dog
Write a C++ or Java program that reads an input graph data from a user. Then,...
Write a C++ or Java program that reads an input graph data from a user. Then, it should present a path for the travelling salesman problem (TSP). In the assignment, you can assume that the maximum number ofvertices in the input graph is less than or equal to 20. Input format: This is a sample input from a user. 4 12 0 1 2 0 3 7 0 2 5 1 0 2 1 2 8 1 3 3 2...
Write a Java program that reads an input graph data from a user. Then, it should...
Write a Java program that reads an input graph data from a user. Then, it should present a path for the travelling salesman problem (TSP). In the assignment, you can assume that the maximum number of vertices in the input graph is less than or equal to 20. Input format: This is a sample input from a user. 4 12 0 1 2 0 3 7 0 2 5 1 0 2 1 2 8 1 3 3 2 0...
Write a program to find the prime numbers IN JAVA Ask user to input the integer...
Write a program to find the prime numbers IN JAVA Ask user to input the integer number test the number whether it is a prime number or not Then, print “true” or “false” depending on whether the number is prime or isn’t. Hint: number is prime when is has exactly 2 factors: one and itself. By this definition, number 1 is a special case and is NOT a prime. Use idea of user input, cumulative sum, and loop to solve...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT