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Dennis_Churaev [7]
3 years ago
11

Write a program which asks the user to enter N numbers. The program will print out their average. Try your program with the foll

owing numbers: 20.5, 19.7, 21.3, 18.6 and 22.1
Computers and Technology
1 answer:
Likurg_2 [28]3 years ago
7 0

Answer:

// here is code in C++.

#include <bits/stdc++.h>

using namespace std;

// main function

int main()

{

   // variables

int n;

double average,sum=0,x;

cout<<"enter the Value of N:";

// read the value of N

cin>>n;

cout<<"enter "<<n<<" Numbers:";

// read n Numbers

for(int a=0;a<n;a++)

{

   cin>>x;

   // calculate total sum of all numbers

   sum=sum+x;

}

// calculate average

average=sum/n;

// print average

cout<<"average of "<<n<<" Numbers is: "<<average<<endl;

return 0;

}

Explanation:

Read the total number from user i.e "n".Then read "n" numbers from user with for loop and sum them all.Find there average by dividing the sum with n.And print the average.

Output:

enter the Value of N:5

enter 5 Numbers:20.5 19.7 21.3 18.6 22.1

average of 5 Numbers is: 20.44

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import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class LuckyButtons {

  static JFrame frame = new JFrame("Lucky Buttons");

  static JPanel panel = new JPanel();

  public static void main(String s[]) {

      panel.setLayout(null);

      final JTextField txt1 = new JTextField(10);

      txt1.setBounds(200, 50, 100, 30);

      // password field

      final JTextField txt2 = new JTextField(10);

      txt2.setBounds(320, 50, 100, 30);

      txt1.setEnabled(false);

      txt2.setEnabled(false);

      JButton btn1 = new JButton();

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      JButton btn2 = new JButton();

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      btn2.setBounds(350, 150, 150, 20);

      btn1.addActionListener(new ActionListener() {

           "at"Override

          public void actionPerformed(ActionEvent aE) {

                  txt1.setText("I feel lucky! :)");

                  txt2.setText("I feel lucky! :)");

                  panel.setBackground(Color.red);

          }

      });

      btn2.addActionListener(new ActionListener() {

          "at"Override

          public void actionPerformed(ActionEvent aE) {

              txt1.setText("I don't feel lucky :(");

              txt2.setText("I don't feel lucky :(");

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          }

      });

      panel.add(txt1);

      panel.add(txt2);

      panel.add(btn1);

      panel.add(btn2);

     

      frame.add(panel);

      frame.setSize(600, 300);

      frame.setLocationRelativeTo(null);

      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      frame.setVisible(true);

  }

}

Kindly check the attached image below for the code output.

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