Answer to Question #190207 in Java | JSP | JSF for Molefe Phago

Question

Write the pseudocode for an application that will:

a) Prompt a user for three numbers.

b) Store the values entered by a user in an array as they are provided by the user.

c) Ask a user if they would like to search for a value:

If the user wishes to search for a value, the user needs to be prompted for a value to search for. If the value is found, a notification needs to be provided to the user.

d) Use a for loop to cycle through the arrays to calculate and display the total of the values stored in the array

Answer 1

Pseudocode 
		Start
			Declare array numbers 
			For i=0 to 3 step 1
				Prompt a user for a number
				Get a number from a keyboard
				Add a number to the array numbers
			end
			Display message: "Would like to search for a value?y/n"
			Get the answer from a keyboard
			if answer = y then
				Display a message: "Enter a value to search for"
				Get a value from a keyboard
				isFound=false
				For i=0 to 3 step 1
					if value=numbers(i) then
							Display a message:"The number is found"
							isFound=true
							Exit loop
					end if
				end
				if isFound =false then 
						Display a message: "The number is not found."
				end if
			end
			Declare variable totalValues=0
			For i=0 to 3 step 1
				totalValues=totalValues+numbers(i)
			end
			Display a message: "The total of the values stored in the array is: "+totalValues
		Stop

JAVA CODE:

import java.util.Random;
import java.util.Scanner;


public class Q190207 {


	/**
	 * The start point of the program
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner keyboard = new Scanner(System.in);
		try {
			int []numbers=new int[3]; 
			//a) Prompt a user for three numbers.
			for(int i=0;i<3;i++) {
				System.out.print("Enter number "+(i+1)+": ");
				//b) Store the values entered by a user in an array as they are provided by the user.
				numbers[i]=keyboard.nextInt();
			}
			//c) Ask a user if they would like to search for a value:
			keyboard.nextLine();
			System.out.print("Would like to search for a value?y/n: ");
			String answer=keyboard.nextLine();
			if(answer.compareToIgnoreCase("y")==0) {
				//If the user wishes to search for a value, the user needs to be prompted for a value to search for. 
				System.out.print("Enter a value to search for: ");
				//b) Store the values entered by a user in an array as they are provided by the user.
				int value=keyboard.nextInt();
				//If the value is found, a notification needs to be provided to the user.
				boolean isFound=false;
				for(int i=0;i<3;i++) {
					if(value==numbers[i]) {
						System.out.println("\nThe number is found\n");
						isFound=true;
						break;
					}
				}
				if(!isFound) {
					System.out.println("\nThe number is not found.\n");
				}
			}
			//d) Use a for loop to cycle through the arrays to calculate and display the total of the values stored in the array
			int totalValues=0;
			for(int i=0;i<3;i++) {
				totalValues+=numbers[i];
			}
			System.out.println("\nThe total of the values stored in the array is: "+totalValues+"\n");
		} catch (Exception e) {
			// Display the error message:
			System.out.print("Incorrect value");
		}
		// close Scanner
		keyboard.close();
		
		
	}
}