initial commit.

Author: aishuarya

src/main/java/com/thealgorithms/sorts/SleepSort.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.sorts;
 
-/**
+/*
  *  @author Aiswarya PM (https://github.com/aishuarya)
  * The SleepSort class demonstrates the Sleep Sort algorithm.
  * Sleep Sort is a sorting algorithm that works by leveraging the concurrency of threads.
@@ -17,16 +17,19 @@
 import java.util.ArrayList;
 import java.util.Collections;
 
-public class SleepSort {
+final class SleepSort {
+
+    private SleepSort() {
+    }
 
     public static void sleepSort(ArrayList<Integer> array) {
         ArrayList<Thread> threads = new ArrayList<>();
 
         for (int numbers : array) {
             Thread thread = new Thread(() -> {
                 try {
-                    Thread.sleep(numbers);  // Sleep for 'num' milliseconds
-                    System.out.print(numbers + " ");  // Print the number after sleeping
+                    Thread.sleep(numbers); // Sleep for 'num' milliseconds
+                    System.out.print(numbers + " "); // Print the number after sleeping
                 } catch (InterruptedException e) {
                     e.printStackTrace();
                 }

src/test/java/com/thealgorithms/sorts/SleepSortTest.java

@@ -1,14 +1,16 @@
 package com.thealgorithms.sorts;
 
-import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
+import java.util.stream.Collectors;
+import org.junit.jupiter.api.Test;
 public class SleepSortTest {
 
     // Method to capture the output of the SleepSort
@@ -79,12 +81,7 @@ public void testSleepSortWithLargeNumbers() {
 
     // Helper method to parse the output string to a list of integers
     private List<Integer> parseOutput(String output) {
-        String[] parts = output.split("\\s+");
-        List<Integer> numbers = new ArrayList<>();
-        for (String part : parts) {
-            numbers.add(Integer.parseInt(part));
-        }
-        return numbers;
+        return Arrays.stream(output.trim().split("\\s+")).map(Integer::parseInt).collect(Collectors.toList());
     }
     private boolean isSorted(List<Integer> list) {
         for (int i = 1; i < list.size(); i++) {