rename class

src/backend/Board.java

@@ -570,6 +570,7 @@ public class Board {
 	public boolean isKingInCheck(boolean isWhite) {
 	    // First, find the king's position
 	    Piece king = findKing(isWhite);
+	    soudEffect soundPlayer = new soudEffect();
 	    
 	    if (king == null) {
 	        // If king not found (shouldn't happen in a valid chess game)
@@ -595,6 +596,7 @@ public class Board {
 	            // Check if any move can capture the king
 	            for (Move move : moves) {
 	                if (move.getToX() == kingX && move.getToY() == kingY) {
+	                	soundPlayer.playCheckSound();
 	                    return true; // King is in check
 	                }
 	            }

src/backend/soudEffect.java

@@ -0,0 +1,20 @@
+package backend;
+
+import javax.sound.sampled.*;
+import java.io.File;
+import java.io.IOException;
+
+public class soudEffect {
+    public void playCheckSound() {
+        try {
+            // Replace "check.wav" with the path to your check sound file
+            File soundFile = new File("exterminate.wav");
+            AudioInputStream audioStream = AudioSystem.getAudioInputStream(soundFile);
+            Clip clip = AudioSystem.getClip();
+            clip.open(audioStream);
+            clip.start();
+        } catch (UnsupportedAudioFileException | IOException | LineUnavailableException e) {
+            e.printStackTrace();
+        }
+    }
+}