import java.util.Scanner;public class LabProgram { // Recursive method to draw the triangle public static void drawTriangle(int baseLength, int currentLength) { if (currentLength <= 0) { return; // Base case: stop when currentLength is 0 or negative } // Calculate the number of spaces needed for formatting int spaces = (baseLength - currentLength) / 2; if (currentLength == baseLength) { // If it's the first line, don't output spaces before the first '*' System.out.println("*".repeat(currentLength) + " "); } else { // Output spaces and asterisks System.out.println(" ".repeat(spaces) + "*".repeat(currentLength) + " "); } // Recursively call drawTriangle with the reduced currentLength drawTriangle(baseLength, currentLength - 2); } public static void drawTriangle(int baseLength) { drawTriangle(baseLength, baseLength); } public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int baseLength = scnr.nextInt(); drawTriangle(baseLength); }} **Transcription of Image for Educational Website**---### Output VerificationThis section demonstrates a comparison of actual and expected outputs, with attention to whitespace differences.#### Example 1:- **Condition:** Output is nearly correct, but whitespace differs. See highlights below.- **Input:** `3`- **Your Output:** ``` *** * ```- **Expected Output:** ``` *** * ```#### Example 2:- **Condition:** Output is nearly correct, but whitespace differs. See highlights below.- **Input:** `19`- **Your Output:** ``` ***************************************************************** ```- **Expected Output:** The expected output forms a diagonal pattern of asterisks. ``` * * * * * * * * * * * * * * * * * * * ```### Explanation:- **Whitespace Issue:** The highlighted areas indicate differences due to excess or misplaced spaces.- **Graphical Representation:** The correct pattern for both examples involves aligning asterisks in a specified manner, often forming shapes or simple graphics. For example, in Example 2, the expected pattern clearly forms a diagonal line, which is not achieved due to continuous horizontal placement in the "Your Output" section.Users should adjust their outputs to match the expected formatting, focusing on proper whitespace placement to ensure accuracy in visual representation.

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Description: import java.util.Scanner;public class LabProgram { // Recursive method to draw the triangle public static void drawTriangle(int baseLength, int currentLength) { if (currentLength <= 0) { return; // Base case: stop when curr

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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 {

// Recursive method to draw the triangle
public static void drawTriangle(int baseLength, int currentLength) {
if (currentLength <= 0) {
return; // Base case: stop when currentLength is 0 or negative
}

// Calculate the number of spaces needed for formatting
int spaces = (baseLength - currentLength) / 2;

if (currentLength == baseLength) {
// If it's the first line, don't output spaces before the first '*'
System.out.println("*".repeat(currentLength) + " ");
} else {
// Output spaces and asterisks
System.out.println(" ".repeat(spaces) + "*".repeat(currentLength) + " ");
}

// Recursively call drawTriangle with the reduced currentLength
drawTriangle(baseLength, currentLength - 2);
}

public static void drawTriangle(int baseLength) {
drawTriangle(baseLength, baseLength);
}

public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
int baseLength = scnr.nextInt();
drawTriangle(baseLength);
}
}

**Transcription of Image for Educational Website**

---

### Output Verification

This section demonstrates a comparison of actual and expected outputs, with attention to whitespace differences.

#### Example 1:

- **Condition:** Output is nearly correct, but whitespace differs. See highlights below.

- **Input:** `3`

- **Your Output:**
```
*** *
```

- **Expected Output:**
```
***
*
```

#### Example 2:

- **Condition:** Output is nearly correct, but whitespace differs. See highlights below.

- **Input:** `19`

- **Your Output:**
```
*****************************************************************
```

- **Expected Output:**

The expected output forms a diagonal pattern of asterisks.

```
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
```

### Explanation:

- **Whitespace Issue:** The highlighted areas indicate differences due to excess or misplaced spaces.
- **Graphical Representation:** The correct pattern for both examples involves aligning asterisks in a specified manner, often forming shapes or simple graphics. For example, in Example 2, the expected pattern clearly forms a diagonal line, which is not achieved due to continuous horizontal placement in the "Your Output" section.

Users should adjust their outputs to match the expected formatting, focusing on proper whitespace placement to ensure accuracy in visual representation.

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