Question

Define a java problem with user input, user output, Do While Statement and some mathematical computation. Write the pseudocode, code and display output.

Answer 1

Here i have, provided the sum of user entered numbers using Do while loop

Pseudocode:

// initialize required variables

int sum = 0;

int num = 0;

// take user input

Scanner input = new Scanner(System.in);

// do while loop for continuos input for positive number

do {

// it will add the positive numbers

sum += num;

System.out.println("Enter positive number");

num = input.nextInt();

} while(num >= 0);

// print the sum

System.out.println("Sum is : " + sum);

Program screenshot:

Code to copy:

// required library

import java.util.Scanner;

// create a main class

class Main {

// main method

public static void main(String[] args) {

// required variables initialization

int sum = 0;

int num = 0;

// scanner class object for user input

Scanner input = new Scanner(System.in);

// do loop will iterate continuosly for positive num

do {

// addition of numbers

sum += num;

// display message

System.out.println("Enter positive number");

// take input as a number

num = input.nextInt();

// iterate for positive numbers

} while(num >= 0);

   // display sum

System.out.println("Sum is : " + sum);

input.close();

}

}

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