BAEL-2392_Java_String_interview_questions second commit (#6064)

java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java

@@ -0,0 +1,29 @@
+package com.baeldung.string.interview;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+
+public class StringAnagramUnitTest {
+    public boolean isAnagram(String s1, String s2) {
+        if(s1.length() != s2.length())
+            return false;
+            
+        char[] arr1 = s1.toCharArray();
+        char[] arr2 = s2.toCharArray();
+        
+        Arrays.sort(arr1);
+        Arrays.sort(arr2);
+        
+        return Arrays.equals(arr1, arr2);
+    }
+    
+    @Test
+    public void whenTestAnagrams_thenTestingCorrectly() {
+        assertThat(isAnagram("car", "arc")).isTrue();
+        assertThat(isAnagram("west", "stew")).isTrue();
+        assertThat(isAnagram("west", "east")).isFalse();
+    }
+}