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Fix formatting of FloodFill (#4361)

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This commit is contained in:
Piotr Idzik
2023-09-09 20:48:02 +02:00
committed by GitHub
parent a88abb7ac2
commit c54b8cddf3
1 changed files with 9 additions and 8 deletions
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17
src/main/java/com/thealgorithms/backtracking/FloodFill.java
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@ -4,7 +4,9 @@ package com.thealgorithms.backtracking;
* Java program for Flood fill algorithm. * Java program for Flood fill algorithm.
* @author Akshay Dubey (<a href="https://github.com/itsAkshayDubey">Git-Akshay Dubey</a>) * @author Akshay Dubey (<a href="https://github.com/itsAkshayDubey">Git-Akshay Dubey</a>)
*/ */
public class FloodFill { public final class FloodFill {
private FloodFill() {
}
/** /**
* Get the color at the given coordinates of a 2D image * Get the color at the given coordinates of a 2D image
@ -14,7 +16,7 @@ public class FloodFill {
* @param y The y co-ordinate of which color is to be obtained * @param y The y co-ordinate of which color is to be obtained
*/ */
public static int getPixel(int[][] image, int x, int y) { public static int getPixel(final int[][] image, final int x, final int y) {
return image[x][y]; return image[x][y];
} }
@ -25,7 +27,7 @@ public class FloodFill {
* @param x The x co-ordinate at which color is to be filled * @param x The x co-ordinate at which color is to be filled
* @param y The y co-ordinate at which color is to be filled * @param y The y co-ordinate at which color is to be filled
*/ */
public static void putPixel(int[][] image, int x, int y, int newColor) { public static void putPixel(final int[][] image, final int x, final int y, final int newColor) {
image[x][y] = newColor; image[x][y] = newColor;
} }
@ -38,11 +40,10 @@ public class FloodFill {
* @param newColor The new color which to be filled in the image * @param newColor The new color which to be filled in the image
* @param oldColor The old color which is to be replaced in the image * @param oldColor The old color which is to be replaced in the image
*/ */
public static void floodFill(int[][] image, int x, int y, int newColor, int oldColor) { public static void floodFill(final int[][] image, final int x, final int y, final int newColor, final int oldColor) {
if (newColor == oldColor) return; if (newColor == oldColor || x < 0 || x >= image.length || y < 0 || y >= image[x].length || getPixel(image, x, y) != oldColor) {
if (x < 0 || x >= image.length) return; return;
if (y < 0 || y >= image[x].length) return; }
if (getPixel(image, x, y) != oldColor) return;
putPixel(image, x, y, newColor); putPixel(image, x, y, newColor);