style: enable AvoidStarImport in checkstyle (#5141)

src/test/java/com/thealgorithms/strings/AlphabeticalTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/AnagramsTest.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/CharacterSameTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/CheckVowelsTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/HorspoolSearchTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/IsomorphicTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/LetterCombinationsOfPhoneNumberTest.java

@@ -1,8 +1,9 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.List;
 import org.junit.jupiter.api.Test;
 
 public class LetterCombinationsOfPhoneNumberTest {

src/test/java/com/thealgorithms/strings/LowerTest.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/MyAtoiTest.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/PangramTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/RotationTest.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/StringCompressionTest.java

@@ -1,5 +1,5 @@
 package com.thealgorithms.strings;
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;

src/test/java/com/thealgorithms/strings/UpperTest.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/ValidParenthesesTest.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 

src/test/java/com/thealgorithms/strings/WordLadderTest.java

@@ -1,8 +1,9 @@
 package com.thealgorithms.strings;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.List;
 import org.junit.jupiter.api.Test;
 
 public class WordLadderTest {