import java.util.Scanner;public class LabProgram {public static void main(String[] args) {Scanner sc = new Scanner(System.in);int n = sc.nextInt();// Validating the inputif(n >= 20 && n <= 98) {// Running the countdownwhile(true) {System.out.print(n + " "); // Displaying the current value of the countdown// If the digits are the same,if(areDigitsIdentical(n)) {break; // Breaking out from the loop}// Decreasing the value of the countdownn--;System.out.println("");}} else {System.out.println("Input must be 20-98"); // Displaying the appropriate message for InValid Input}}public static boolean areDigitsIdentical(int n) {int d0 = n % 10; // Extracting out the 1st digitint d1 = n / 10; // Extracting out the 2nd digit// If the two digits are the same,if(d0 == d1)return true; // Return trueelse // Otherwise,return false; // Return false}} The language is Java. The output has to print a space after each number including the last one (The pictures shown is what the code needs to print as well as what the code above prints) ### Transcription and Explanation for Educational Use#### Input and Output Example**Input:**```93```**Your Output:**```939291908988```Highlighted areas indicate differences with expected output, typically related to formatting such as spaces or line breaks.**Expected Output:**```93 92 91 90 89 88```The expected result shows the numbers printed on a single line, separated by spaces.#### Comparison Example**Output is nearly correct; but whitespace differs. See highlights below.****Input:**```77```**Your Output:**```77```**Expected Output:**```77 ```In this example, the expected output highlights an issue with whitespace, specifically an extra space character after the number "77".#### Explanation- **Your Output**: This refers to the actual result generated by the user's code or input.- **Expected Output**: This is the correct and expected format for the result, often provided for validation.#### Visualization- **Highlighted Areas**: Yellow highlights with arrows indicate where discrepancies occur between "Your Output" and the "Expected Output." In this context, the differences are related to formatting rather than numerical values, such as additional line breaks or spaces. This visual representation helps identify formatting issues, which can be critical in programming challenges and data input scenarios where exact matches are required. The image illustrates a programming output evaluation with the following details:1. **Test Case 1:** - **Input:** 20 - **Your Output:** - Numbers displayed vertically from 20 to 11 in descending order: - 20 - 19 - 18 - 17 - 16 - 15 - 14 - 13 - 12 - 11 - **Expected Output:** - Numbers displayed horizontally from 20 to 11 in descending order: - 20 19 18 17 16 15 14 13 12 112. **Test Case 4:** - **Input:** 99 - **Your Output:** "Input must be 20-98"3. **Test Case 5:** - **Input:** 19 - **Your Output:** "Input must be 20-98"**Explanation:**- The purpose of the output system is to generate a set of numbers based on a given input. The valid input range is between 20 and 98. If the input falls outside this range, an error message is generated. The expected output format is horizontal, while the user's output is displayed vertically, indicating a discrepancy in formatting.

The pictures shown require the code to print a space after each number including the last one and in…

Answered: import java.util.Scanner; public class…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

import java.util.Scanner;

public class LabProgram {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);

int n = sc.nextInt();
// Validating the input
if(n >= 20 && n <= 98) {
// Running the countdown
while(true) {
System.out.print(n + " "); // Displaying the current value of the countdown
// If the digits are the same,
if(areDigitsIdentical(n)) {
break; // Breaking out from the loop
}
// Decreasing the value of the countdown
n--;
System.out.println("");
}
} else {
System.out.println("Input must be 20-98"); // Displaying the appropriate message for InValid Input
}
}

public static boolean areDigitsIdentical(int n) {
int d0 = n % 10; // Extracting out the 1st digit
int d1 = n / 10; // Extracting out the 2nd digit
// If the two digits are the same,
if(d0 == d1)
return true; // Return true
else // Otherwise,
return false; // Return false
}
}

The language is Java. The output has to print a space after each number including the last one (The pictures shown is what the code needs to print as well as what the code above prints)

### Transcription and Explanation for Educational Use

#### Input and Output Example

**Input:**
```
93
```

**Your Output:**
```
93
92
91
90
89
88
```
Highlighted areas indicate differences with expected output, typically related to formatting such as spaces or line breaks.

**Expected Output:**
```
93 92 91 90 89 88
```
The expected result shows the numbers printed on a single line, separated by spaces.

#### Comparison Example

**Output is nearly correct; but whitespace differs. See highlights below.**

**Input:**
```
77
```

**Your Output:**
```
77
```

**Expected Output:**
```
77
```
In this example, the expected output highlights an issue with whitespace, specifically an extra space character after the number "77".

#### Explanation

- **Your Output**: This refers to the actual result generated by the user's code or input.
- **Expected Output**: This is the correct and expected format for the result, often provided for validation.

#### Visualization

- **Highlighted Areas**: Yellow highlights with arrows indicate where discrepancies occur between "Your Output" and the "Expected Output." In this context, the differences are related to formatting rather than numerical values, such as additional line breaks or spaces.

This visual representation helps identify formatting issues, which can be critical in programming challenges and data input scenarios where exact matches are required.

The image illustrates a programming output evaluation with the following details:

1. **Test Case 1:**
- **Input:** 20
- **Your Output:**
- Numbers displayed vertically from 20 to 11 in descending order:
- 20
- 19
- 18
- 17
- 16
- 15
- 14
- 13
- 12
- 11
- **Expected Output:**
- Numbers displayed horizontally from 20 to 11 in descending order:
- 20 19 18 17 16 15 14 13 12 11

2. **Test Case 4:**
- **Input:** 99
- **Your Output:** "Input must be 20-98"

3. **Test Case 5:**
- **Input:** 19
- **Your Output:** "Input must be 20-98"

**Explanation:**
- The purpose of the output system is to generate a set of numbers based on a given input. The valid input range is between 20 and 98. If the input falls outside this range, an error message is generated. The expected output format is horizontal, while the user's output is displayed vertically, indicating a discrepancy in formatting.

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