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Arisa [49]
3 years ago
13

I need to create a method named "root positive". which will either print the square root of the number passed to it or if the nu

mber is less than zero, it will print out the statement "Number must not be negative."?
1. Ask the user to input a number of type double which you will find the square root of the number.

2. Create a method called rootPositive which will either print the square root of the number passed to it or if the number is less than zero, it will print out the statement "Number must not be negative.".

3. Call your rootPositive method and pass to it the number the user enetered.
Computers and Technology
1 answer:
rjkz [21]3 years ago
5 0

Answer:

Explanation:

The following code is written in Java. It is a method that calculates the square root of a number as requested. The method first checks with an IF statement if the parameter value is a positive number and then calculates the square root and prints it to the screen. Otherwise, it prints Number must not be negative. A test case has been provided in the main method and the output can be seen in the attached image below.

import java.util.Scanner;

class Brainly {

   public static void main(String[] args) {

       Scanner in = new Scanner(System.in);

       System.out.print("Enter a number of type double to calculate square root:");

       double num = in.nextDouble();

       rootPositive(num);

   }

   public static void rootPositive(double num) {

       if (num > 0) {

           System.out.println(Math.sqrt(num));

       } else {

           System.out.println("Number must not be negative.");

       }

   }

}

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3 years ago
Consider a company that needs to sort an array of structures of type Customer by balance, with the largest balance first. Here i
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Answer:

#include <iostream>

#include <string>

#include <cstring>

#include <cstdlib>

using namespace std;

struct Person

{

string name;

int age;

};

int main()

{

struct Person data[10];

struct Person *pData[10],*temp;

string names[] = {"a","b","c","g","z","l","p","q","r","w"};

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for(int i=0;i<9;i++)

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data[i].name = names[i];

data[i].age = num[i];

pData[i] = &data[i];

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for(int i=0;i<9;i++)

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for(int i=0;i<9;i++)

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Explanation:

The line #include <iostream> initializes the program.

This program created an array of only 10 structures, Customer data. Also defined an auxiliary array Customer *pData.

The program uses these parameters to sorts the array of pointers so that when you go through pData in increasing order of index k, the entries pData[k] point to Customer objects in decreasing order by balance, meaning that pdata[0] now points to the customer with the highest balance, and pData[9] points to the customer with the smallest balance.

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Given the following snippet of code, answer the following two questions based on the code: typedef enum {Sun, Mon, Tue, Wed, Thu
ANEK [815]

Answer:

1) The value of x will be 6.

2) The value of y will be 7.

Explanation:

1) The value of x will be 6.  

The enum values are labeled by default from 1. This means that Sun = 1, Mon = 2, Tue = 3 and so on.  

So, x = Mon = 2 and y = Sat = 6  

x increases up to y = 6 in the while loop.  

and then y also increments by 1.  

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You will need actual printf("Sun") or printf("Mon") for printing the actual text for the enum.

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valina [46]

Answer:

B.

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Answer:

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