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3 years ago

PLZ HELP QUICK! WORTH 25 POINTS!

Computers and Technology

2 answers:

soldi70 [24.7K]3 years ago

8 0

Answer: all but the very bottom one

Explanation: the first four functions a function has to do something and the only one that does not do something is the very bottom

LenKa [72]3 years ago

6 0

Functions can have numeric parameters.

Functions can have string parameters.

Functions can have many parameters.

Functions can have no parameters.

I hope this helps!

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Imagine the user types in a complete sentence, but we want to read only the first word and place it in the String variable word.

Vladimir [108]

Answer:

import java.util.Scanner;

public class FirstWord {

public static void main(String[] args) {

//NOW YOU WANT TO COLLECT INPUTS FROM THE STUDENT OR USER

//IMPORT THE SCANNER CLASS FIRST outside your class

// THEN YOU CREATE AN OBJECT OF THE SCANNER CLASS

Scanner input = new Scanner(System.in);

//CREATE A VARIABLE TO HOLD THE USER INPUT

String text = input.nextLine();

//The variable holder will be used to store characters from the for loop

String holder="";

//Create a for loop that loops through the user's input

for(int i=0; i<text.length(); i++){

//As the loop increases, we get the character in the user's input and store them one by one in the variable holder

holder+=text.charAt(i);

if(text.charAt(i)==' '){

//If the loop encounters a space, it means a complete word has been gotten from the user's input

//Then the break below Breaks the loop, and the loop stops running

break;

}

System.out.println(holder);

}

Explanation:

text.length() returns the length of the sequence of characters present in length

text.charAt(a number) Returns the char value at the specified index. An index ranges from 0 to length() - 1. The first char value of the sequence is at index 0, the next at index 1, and so on, as for array indexing.

Create a for loop

How does a for loop work?

It collects a starting point, an end point and an increment respectively....all these are passed in as arguments into the for loop

For example, the code above starts from 0, calculates the number of characters in the user's input and sets it as the end point, the loop runs from zero to the length of the text of the user...

Note: i++ in the loop is the increment, it means the loop increases by 1

8 0

3 years ago

3.14 LAB: Simple statistics for Python

Ad libitum [116K]

Answer:

Following are the correct python code to this question:

n1 = float(input('Input first number: '))#input first number

n2 = float(input('Input second number: '))#input second number

n3 = float(input('Input third number: '))#input third number

n4 = float(input('Input fourth number: '))#input fourth number

average = (n1+n2+n3+n4)/4 #calculate input number average

product = n1*n2*n3*n4 # calculate input number product

print('product: {:.0f} average: {:.0f}'.format(round(product),round(average))) #print product and average using round function

print('product: {:.3f} average: {:.3f}'.format(product,average)) #print product and average value

Output:

Please find the attachment.

Explanation:

The description of the above python code can be defined as follows:

In the above python program four variable "n1, n2, n3, and n4" is defined, in which we take input from the user end, and in these user inputs we use the float method, that converts all the input value in to float value.
In the next step, two variable average and product are defined, that calculate all input numbers product, average, and hold value in its variable.
In the last line, the print method is used, which prints its variable value by using a round and format method.