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Hunter-Best [27]
4 years ago
13

"Consider the following code snippet: int number = 0; Scanner in = new Scanner(System.in); System.out.print(""Enter a number: ""

); number = in.nextInt(); if (number > 30) { . . . } else if (number > 20) { . . .. } else if (number > 10) { . . . } else { . . . } Assuming that the user input is 40, which block of statements is executed?
a. if (number > 30) { . . .}
b. else if (number > 20) { . . .}
c. else if (number > 10) { . . .}
d. else { . . .}
Computers and Technology
1 answer:
Bad White [126]4 years ago
3 0

Answer:

if (number > 30) {. . .}

Explanation:

This code block uses a simple if-elseif-else control structure to do a comparison on a value.  In this type of control structure, each operation of control is check until the correct condition is met, and once the code executes, it exits the control structure, never touching the remainder of the structure.

In this example, we are fortunate that the value triggers the first part of the control structure with if (number > 30) and will execute that section of code.  Once the code finishes, it will exit the structure, never making it to the other 3 control conditions.

Cheers.

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import java.util.Scanner; // header file

public class ShowChar

{

public static void main(String[] args)

{

String lnOfText;

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System.out.print("Enter a line of text:");

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Define a function below called nested_list_string. The function should take a single argument, a list of lists of numbers. Compl
DerKrebs [107]

Answer:

The solution code is written in Python:

  1. def nested_list_string(list2D):
  2.    output = ""
  3.    for i in range(0, len(list2D)):
  4.        for j in range(0, len(list2D[i])):
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  6.    
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Explanation:

Let's create a function and name it as nested_list_string() with one input parameter, list2D (Line 1).

Since our expected final output is a string of number and therefore we define a variable, <em>output</em>, to hold the string (Line 2).

Next use two for loops to traverse every number in the list and convert each of the number to string using <em>str()</em> method. Join each of individual string number to the output (Line 3-5).

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Answer:

hope you like it

Explanation:

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